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  • 北京元坤伟业科技有限公司

         该会员已使用本站17年以上

  • OPA2333AIDGKR
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  • 集好芯城

     该会员已使用本站13年以上
  • OPA2333AIDGKR 现货库存
  • 数量23344 
  • 厂家TI(德州仪器) 
  • 封装 
  • 批号22+ 
  • 原装原厂现货
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  • 深圳市恒达亿科技有限公司

     该会员已使用本站12年以上
  • OPA2333AIDGKR 现货库存
  • 数量5000 
  • 厂家TI 
  • 封装MSOP8 
  • 批号25+ 
  • 全新原装,欢迎查询
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  • 深圳市广百利电子有限公司

     该会员已使用本站6年以上
  • OPA2333AIDGKR 现货库存
  • 数量18500 
  • 厂家TI(德州仪器) 
  • 封装MSOP-8 
  • 批号23+ 
  • ★★全网低价,原装原包★★
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  • 深圳市华斯顿电子科技有限公司

     该会员已使用本站16年以上
  • OPA2333AIDGKR 现货库存
  • 数量18211 
  • 厂家TI/德州仪器 
  • 封装MSOP8 
  • 批号2023+ 
  • 绝对原装正品现货/优势渠道商、原盘原包原盒
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  • 深圳市浩兴林电子有限公司

     该会员已使用本站16年以上
  • OPA2333AIDGKRG4 现货库存
  • 数量8000 
  • 厂家TI 
  • 封装MSOP8 
  • 批号2017+ 
  • 主营TI/BB自己库存价格优势
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  • 深圳市宗天技术开发有限公司

     该会员已使用本站10年以上
  • OPA2333AIDGKR 现货库存
  • 数量8000 
  • 厂家TI(德州仪器) 
  • 封装MSOP-8 
  • 批号22+ 
  • 宗天技术 原装现货/假一赔十
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  • 深圳市宏捷佳电子科技有限公司

     该会员已使用本站12年以上
  • OPA2333AIDGKR 现货库存
  • 数量60030 
  • 厂家TI/德州仪器 
  • 封装MSOP8 
  • 批号2023+ 
  • 专营原装正品量大可定货
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  • 深圳市羿芯诚电子有限公司

     该会员已使用本站7年以上
  • OPA2333AIDGKR 现货库存
  • 数量194 
  • 厂家TI(德州仪器) 
  • 封装MSOP-8 
  • 批号21+ 
  • 原装特价可提供13点
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  • 深圳市宏世佳电子科技有限公司

     该会员已使用本站13年以上
  • OPA2333AIDGKRG4 现货库存
  • 数量4656 
  • 厂家TI 
  • 封装MSOP8 
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  • 上海意淼电子科技有限公司

     该会员已使用本站14年以上
  • OPA2333AIDGKR 现货库存
  • 数量20000 
  • 厂家TI 
  • 封装MSOP-8 
  • 批号23+ 
  • 原装现货热卖!请联系吴先生 13681678667
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  • 深圳市芯脉实业有限公司

     该会员已使用本站11年以上
  • OPA2333AIDGKR 现货库存
  • 数量2500 
  • 厂家TI 
  • 封装VSSOP (DGK) 
  • 批号新批次 
  • 新到现货、一手货源、当天发货、bom配单
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  • 深圳市华斯顿电子科技有限公司

     该会员已使用本站16年以上
  • OPA2333AIDGKR 热卖库存
  • 数量18211 
  • 厂家TI/德州仪器 
  • 封装MSOP8 
  • 批号2023+ 
  • 绝对原装正品现货/优势渠道商、原盘原包原盒
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  • 深圳市拓森弘电子有限公司

     该会员已使用本站1年以上
  • OPA2333AIDGKR
  • 数量5300 
  • 厂家TI(德州仪器) 
  • 封装MSOP-8 
  • 批号21+ 
  • 全新原装正品,库存现货实报
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  • 集好芯城

     该会员已使用本站13年以上
  • OPA2333AIDGKR
  • 数量12768 
  • 厂家TI/德州仪器 
  • 封装MSOP8 
  • 批号最新批次 
  • 原装原厂 现货现卖
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  • 深圳市湘达电子有限公司

     该会员已使用本站10年以上
  • OPA2333AIDGKRG4
  • 数量6600 
  • 厂家TI/德州仪器 
  • 封装VSSOP-8 
  • 批号20+ 
  • 原装现货,特价出售。
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  • 深圳市晶美隆科技有限公司

     该会员已使用本站14年以上
  • OPA2333AIDGKR
  • 数量16815 
  • 厂家TI德州 
  • 封装MSOP-8 
  • 批号23+ 
  • 全新原装正品现货热卖
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  • 北京元坤伟业科技有限公司

     该会员已使用本站17年以上
  • OPA2333AIDGKRG4
  • 数量5000 
  • 厂家Texas Instruments 
  • 封装贴/插片 
  • 批号2024+ 
  • 百分百原装正品,现货库存
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  • 深圳市正信鑫科技有限公司

     该会员已使用本站12年以上
  • OPA2333AIDGKR
  • 数量6217 
  • 厂家TI 
  • 封装原厂封装 
  • 批号22+ 
  • 原装正品★真实库存★价格优势★欢迎来电洽谈
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  • 深圳市和诚半导体有限公司

     该会员已使用本站11年以上
  • OPA2333AIDGKR
  • 数量5600 
  • 厂家TI 
  • 封装MSOP-8 
  • 批号23+ 
  • 100%深圳原装现货库存
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  • 北京元坤伟业科技有限公司

     该会员已使用本站17年以上
  • OPA2333AIDGKR
  • 数量5000 
  • 厂家National Semiconductor (TI) 
  • 封装贴/插片 
  • 批号16+ 
  • 百分百原装正品,现货库存
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  • 010-62106431 QQ:857273081QQ:1594462451
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  • 深圳市芯鹏泰科技有限公司

     该会员已使用本站8年以上
  • OPA2333AIDGKR
  • 数量7536 
  • 厂家Texas Instruments 
  • 封装8-VSSOP 
  • 批号23+ 
  • 放大器IC原装现货
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  • 0755-82777852 QQ:3004306594
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  • 深圳市华芯盛世科技有限公司

     该会员已使用本站13年以上
  • OPA2333AIDGKR
  • 数量865000 
  • 厂家TI/德州仪器 
  • 封装18+ 
  • 批号最新批号 
  • 一级代理,原装特价现货!
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  • 0755-83225692 QQ:2881475757
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  • 深圳市芯福林电子有限公司

     该会员已使用本站15年以上
  • OPA2333AIDGKR
  • 数量13880 
  • 厂家TI/德州仪器 
  • 封装MSOP-8 
  • 批号21+ 
  • 公司只售原装 支持实单
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  • 0755-88917743 QQ:2881495751
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  • 深圳市恒达亿科技有限公司

     该会员已使用本站12年以上
  • OPA2333AIDGKR
  • 数量3000 
  • 厂家TI 
  • 封装MSOP8 
  • 批号25+ 
  • 全新原装公司现货库存!
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  • 深圳市得捷芯城科技有限公司

     该会员已使用本站11年以上
  • OPA2333AIDGKR
  • 数量10938 
  • 厂家TI(德州仪器) 
  • 封装MSOP 
  • 批号23+ 
  • 原厂可订货,技术支持,直接渠道。可签保供合同
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  • 深圳市得捷芯城科技有限公司

     该会员已使用本站11年以上
  • OPA2333AIDGKR
  • 数量282 
  • 厂家TI/德州仪器 
  • 封装NA/ 
  • 批号23+ 
  • 优势代理渠道,原装正品,可全系列订货开增值税票
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  • 0755-82546830 QQ:3007977934QQ:3007947087
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  • 深圳市美思瑞电子科技有限公司

     该会员已使用本站12年以上
  • OPA2333AIDGKR
  • 数量12245 
  • 厂家TI/德州仪器 
  • 封装MSOP8 
  • 批号22+ 
  • 现货,原厂原装假一罚十!
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  • 深圳市高捷芯城科技有限公司

     该会员已使用本站11年以上
  • OPA2333AIDGKRG4
  • 数量9555 
  • 厂家TI(德州仪器) 
  • 封装VSSOP-8 
  • 批号23+ 
  • 支持大陆交货,美金交易。原装现货库存。
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  • 深圳市恒意法科技有限公司

     该会员已使用本站17年以上
  • OPA2333AIDGKR
  • 数量1172857 
  • 厂家Texas Instruments 
  • 封装8-TSSOP,8-MSOP(0.118,3.00mm 宽) 
  • 批号21+ 
  • 正规渠道/品质保证/原装正品现货
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  • 深圳市华斯顿电子科技有限公司

     该会员已使用本站16年以上
  • OPA2333AIDGKR
  • 数量13050 
  • 厂家TI 
  • 封装MSOP8 
  • 批号2023+ 
  • 绝对原装正品现货/优势渠道商、原盘原包原盒
  • QQ:1002316308QQ:1002316308 复制
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  • 深圳分公司0755-83777708“进口原装正品专供” QQ:1002316308QQ:515102657
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  • 深圳市惊羽科技有限公司

     该会员已使用本站11年以上
  • OPA2333AIDGKR
  • 数量6328 
  • 厂家TI-德州仪器 
  • 封装TSSOP-8 
  • 批号▉▉:2年内 
  • ▉▉¥27一一有问必回一一有长期订货一备货HK仓库
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  • 深圳市恒达亿科技有限公司

     该会员已使用本站12年以上
  • OPA2333AIDGKR
  • 数量3000 
  • 厂家TI 
  • 封装MSOP8 
  • 批号25+ 
  • 全新原装公司现货销售
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  • 深圳市三得电子有限公司

     该会员已使用本站15年以上
  • OPA2333AIDGKR
  • 数量91752 
  • 厂家TI/德州仪器 
  • 封装SOP-8 
  • 批号2024 
  • 深圳原装现货库存,欢迎咨询合作
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  • HECC GROUP CO.,LIMITED

     该会员已使用本站17年以上
  • OPA2333AIDGKR
  • 数量2400 
  • 厂家TI 
  • 封装MSOP-8 
  • 批号24+ 
  • 原装假一赔十!可提供正规渠道证明!
  • QQ:3007947169QQ:3007947169 复制
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  • 755-83950895 QQ:3007947169QQ:3007947210
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  • 深圳市晶美隆科技有限公司

     该会员已使用本站14年以上
  • OPA2333AIDGKR
  • 数量11530 
  • 厂家Texas Instruments 
  • 封装8-MSOP,Micro8?,8-uMAX,8-uSOP, 
  • 批号23+ 
  • 全新原装现货热卖
  • QQ:2885348317QQ:2885348317 复制
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  • 0755-83209630 QQ:2885348317QQ:2885348339
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  • 深圳市恒达亿科技有限公司

     该会员已使用本站16年以上
  • OPA2333AIDGKR
  • 数量3500 
  • 厂家TI 
  • 封装MSSOP 
  • 批号25+ 
  • 全新原装现货特价销售!
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  • 深圳市恒益昌科技有限公司

     该会员已使用本站6年以上
  • OPA2333AIDGKR
  • 数量5000 
  • 厂家TI 
  • 封装MSOP8 
  • 批号25+ 
  • 原装正品长期供货
  • QQ:3336148967QQ:3336148967 复制
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  • 0755-82723761 QQ:3336148967QQ:974337758
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  • 深圳市华斯顿电子科技有限公司

     该会员已使用本站16年以上
  • OPA2333AIDGKR
  • 数量12500 
  • 厂家TI/德州仪器 
  • 封装VSSOP-8 
  • 批号2023+ 
  • 绝对原装正品全新深圳进口现货,优质渠道供应商!
  • QQ:1002316308QQ:1002316308 复制
    QQ:515102657QQ:515102657 复制
  • 美驻深办0755-83777708“进口原装正品专供” QQ:1002316308QQ:515102657
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  • HECC GROUP CO.,LIMITED

     该会员已使用本站17年以上
  • OPA2333AIDGKR
  • 数量2400 
  • 厂家TI 
  • 封装MSOP-8 
  • 批号24+ 
  • 原装假一赔十!可提供正规渠道证明!
  • QQ:3003818780QQ:3003818780 复制
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  • 深圳市能元时代电子有限公司

     该会员已使用本站10年以上
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产品型号OPA2333AIDGKR的概述

OPA2333AIDGKR概述 OPA2333AIDGKR是一款高性能的精密运算放大器,属于德州仪器(Texas Instruments)的OPA系列产品。该系列的运算放大器广泛应用于各种信号处理和数字电路中,适合高精度传感器信号放大、电压跟随器、数据采集、以及其他需要高增益和低失真的场合。OPA2333以其超低功耗、低噪声、高增益带宽和高输入阻抗,成为各种高级应用和便携设备的理想选择。 详细参数 OPA2333AIDGKR的关键参数如下: - 工作电源电压:2.7V至36V,提供广泛的电源电压兼容性,适应多种应用场景。 - 增益带宽产品:1MHz,具有良好的带宽性能,适合动态信号的处理。 - 输入失调电压:最大200μV,确保高精度稳定性,适用于需要精确测量的场合。 - 输入阻抗:典型10^12Ω,极高的输入阻抗意味着该运算放大器在非反相模式下几乎不影响被测电路。 - 输出驱动能力:...

产品型号OPA2333AIDGKR的Datasheet PDF文件预览

OPA188  
OPA2188  
OPA4188  
www.ti.com  
SBOS525 AUGUST 2011  
0.03-μV/°C Drift, Low-Noise, Rail-to-Rail Output,  
36-V, Zero-Drift OPERATIONAL AMPLIFIERS  
Check for Samples: OPA188, OPA2188, OPA4188  
1
FEATURES  
DESCRIPTION  
The OPAx188 series operational amplifiers use TI  
proprietary auto-zeroing techniques to provide low  
offset voltage (25 μV, max), and near zero-drift over  
2
Low Offset Voltage: 25 μV (max)  
Zero-Drift: 0.03 μV/°C  
Low Noise: 8.8 nV/Hz  
0.1-Hz to 10-Hz Noise: 0.25 µVPP  
time  
and  
temperature.  
These  
miniature,  
high-precision, low quiescent current amplifiers offer  
high input impedance and rail-to-rail output swing  
within 15 mV of the rails. The input common-mode  
range includes the negative rail. Either single or dual  
supplies can be used in the range of +4.0 V to +36 V  
(±2 V to ±18 V).  
Excellent DC Precision:  
PSRR: 142 dB  
CMRR: 146 dB  
Open-Loop Gain: 136 dB  
Gain Bandwidth: 2 MHz  
The single version is available in the MicroSIZE  
SOT23-5, MSOP-8, and SO-8 packages; the dual is  
offered in MSOP-8 and SO-8 packages; the quad is  
offered in SO-14 and TSSOP-14 packages. All  
versions are specified for operation from 40°C to  
+105°C.  
Quiescent Current: 475 μA (max)  
Wide Supply Range: ±2 V to ±18 V  
Rail-to-Rail Output:  
Input Includes Negative Rail  
RFI Filtered Inputs  
145  
MicroSIZE Packages  
OPA2188 Zero-Drift Architecture  
Precision Laser Trim Architecture  
125  
105  
85  
65  
45  
25  
5
APPLICATIONS  
Bridge Amplifiers  
Strain Gauges  
Test Equipment  
Transducer Applications  
Temperature Measurement  
Electronic Scales  
Medical Instrumentation  
Resister Thermal Detectors  
Precision Active Filters  
-55 -35 -15  
5
25  
45  
65  
85  
105 125  
Temperature (°C)  
Zero-Drift Amplifier Portfolio  
OFFSET VOLTAGE DRIFT  
VERSION  
PRODUCT  
OFFSET VOLTAGE (µV)  
(µV/°C)  
BANDWIDTH (MHz)  
Single  
OPA188 (4 V to 36 V)  
OPA333 (5 V)  
25  
10  
50  
5
0.085  
0.05  
0.25  
0.05  
0.085  
0.05  
0.25  
0.05  
0.085  
0.25  
2
0.35  
0.9  
1.6  
2
Single  
Dual  
OPA378 (5 V)  
OPA735 (12 V)  
OPA2188 (4 V to 36 V)  
OPA2333 (5 V)  
25  
10  
50  
5
0.35  
0.9  
1.6  
2
OPA2378 (5 V)  
OPA2735 (12 V)  
OPA4188 (4 V to 36 V)  
OPA4330 (5 V)  
Quad  
Quad  
25  
50  
0.35  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
All trademarks are the property of their respective owners.  
UNLESS OTHERWISE NOTED this document contains  
PRODUCTION DATA information current as of publication date.  
Products conform to specifications per the terms of Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2011, Texas Instruments Incorporated  
OPA188  
OPA2188  
OPA4188  
SBOS525 AUGUST 2011  
www.ti.com  
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with  
appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.  
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more  
susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.  
PACKAGE INFORMATION(1)  
SPECIFIED  
PACKAGE-  
LEAD  
PACKAGE  
DESIGNATOR  
TEMPERATURE  
RANGE  
PACKAGE  
MARKING  
ORDERING  
NUMBER  
TRANSPORT MEDIA,  
QUANTITY  
PRODUCT  
SINGLE  
OPA188AIDBVT  
OPA188AIDBVR  
OPA188AID  
Tape and Reel, 250  
Tape and Reel, 3000  
Rails, 100  
SOT23-5  
SO-8  
DBV  
D
40°C to +105°C  
40°C to +105°C  
40°C to +105°C  
TBD  
OPA188A  
TBD  
OPA188(2)  
OPA188AIDR  
Tape and Reel, 2500  
Tape and Reel, 250  
Tape and Reel, 2500  
OPA188AIDGKT  
OPA188AIDGKR  
MSOP-8  
DGK  
DUAL  
OPA2188  
QUAD  
OPA2188AID  
OPA2188AIDR  
Rails, 100  
SO-8  
D
40°C to +105°C  
40°C to +105°C  
2188  
2188  
Tape and Reel, 2500  
Tape and Reel, 250  
Tape and Reel, 2500  
OPA2188AIDGKT  
OPA2188AIDGKR  
MSOP-8  
DGK  
OPA4188AID  
OPA4188AIDR  
OPA4188AIPW  
OPA4188AIPWR  
Rails, 90  
SO-14  
D
40°C to +105°C  
40°C to +105°C  
OPA4188A  
OPA4188A  
Tape and Reel, 2000  
Rails, 90  
OPA4188(2)  
TSSOP-14  
PW  
Tape and Reel, 2000  
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or visit the  
device product folder at www.ti.com.  
(2) Product preview device.  
ABSOLUTE MAXIMUM RATINGS  
OPAx188  
UNIT  
V
Supply voltage  
±20, 40 (single supply)  
Voltage  
Current(1)  
(V) 0.5 to (V+) + 0.5  
V
Signal input terminals  
±10  
Continuous  
55 to +125  
65 to +150  
+150  
mA  
Output short-circuit(2)  
Operating temperature  
Storage temperature  
Junction temperature  
°C  
°C  
°C  
kV  
kV  
Human body model (HBM)  
1.5  
ESD ratings  
Charged device model (CDM)  
1
(1) Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may  
degrade device reliability. These are stress ratings only and functional operation of the device at these or any other conditions beyond  
those specified is not implied.  
(2) Short-circuit to ground, one amplifier per package.  
2
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Copyright © 2011, Texas Instruments Incorporated  
Product Folder Link(s): OPA188 OPA2188 OPA4188  
 
OPA188  
OPA2188  
OPA4188  
www.ti.com  
SBOS525 AUGUST 2011  
ELECTRICAL CHARACTERISTICS: High-Voltage Operation  
VS = ±4 V to ±18 V (VS = +8 V to +36 V)  
Boldface limits apply over the specified temperature range, TA = 40°C to +105°C.  
At TA = +25°C, RL = 10 kΩ connected to VS/2, and VCOM = VOUT = VS/2, unless otherwise noted.  
OPA188, OPA2188, OPA4188  
PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
UNIT  
OFFSET VOLTAGE  
VOS  
Input offset voltage  
vs Temperature  
vs power supply  
6
0.03  
25  
0.085  
0.3  
μV  
μV/°C  
μV/V  
μV/V  
μV  
dVOS/dT  
VS = 4 V to 36 V, VCM = VS/2  
0.075  
PSRR  
vs temperature  
VS = 4 V to 36 V, VCM = VS/2  
0.3  
Long-term stability  
Channel separation, dc  
See note(1)  
1
μV/V  
INPUT BIAS CURRENT  
Input bias current  
VCM = VS/2  
±160  
±320  
±850  
±4  
pA  
nA  
pA  
nA  
IB  
over temperature  
Input offset current  
over temperature  
40°C to +105°C  
±1700  
±2  
IOS  
40°C to +105°C  
NOISE  
en  
en  
in  
Input voltage noise, f = 0.1 Hz to 10 Hz  
Input voltage noise density, f = 1 kHz  
Input current noise density, f = 1 kHz  
0.25  
8.8  
7
μVPP  
nV/Hz  
fA/Hz  
INPUT VOLTAGE RANGE  
VCM  
Common-mode voltage range  
V–  
(V+) 1.5  
V
(V) < VCM < (V+) 1.5 V  
120  
134  
146  
dB  
Common-mode rejection ratio  
(V) + 0.5 V < VCM < (V+) 1.5 V,  
VS = ±18 V  
130  
dB  
CMRR  
(V) + 0.5 V < VCM < (V+) 1.5 V,  
VS = ±18 V  
over temperature  
120  
126  
dB  
INPUT IMPEDANCE  
Differential  
Common-mode  
OPEN-LOOP GAIN  
100/6  
6/9.5  
MΩ/pF  
1012 Ω/pF  
(V) + 500 mV < VO < (V+) 500 mV,  
RL = 10 kΩ  
Open-loop voltage gain  
130  
136  
dB  
AOL  
(V) + 500 mV < VO < (V+) 500 mV,  
RL = 10 kΩ  
Open-loop voltage gain  
120  
126  
dB  
FREQUENCY RESPONSE  
GBW  
SR  
Gain-bandwidth product  
2
0.8  
MHz  
V/μs  
μs  
Slew rate  
G = +1  
Settling time, 0.1%  
VS = ±18 V, G = 1, 10-V step  
VS = ±18 V, G = 1, 10-V step  
20  
Settling time, 0.01%  
Overload recovery time  
Total harmonic distortion + noise  
27  
μs  
VIN × G = VS  
1
μs  
THD+N  
1 kHz, G = 1, VOUT = 1 Vrms  
0.0001  
%
(1) 1000-hour life test at +125°C demonstrated randomly distributed variation in the range of measurement limitsapproximately 4 μV.  
Copyright © 2011, Texas Instruments Incorporated  
Submit Documentation Feedback  
3
Product Folder Link(s): OPA188 OPA2188 OPA4188  
OPA188  
OPA2188  
OPA4188  
SBOS525 AUGUST 2011  
www.ti.com  
ELECTRICAL CHARACTERISTICS: High-Voltage Operation (continued)  
VS = ±4 V to ±18 V (VS = +8 V to +36 V)  
Boldface limits apply over the specified temperature range, TA = 40°C to +105°C.  
At TA = +25°C, RL = 10 kΩ connected to VS/2, and VCOM = VOUT = VS/2, unless otherwise noted.  
OPA188, OPA2188, OPA4188  
PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
UNIT  
OUTPUT  
No load  
6
220  
310  
±18  
120  
1
15  
250  
350  
mV  
mV  
mV  
mA  
Ω
Voltage output swing from rail  
RL = 10 kΩ  
RL = 10 kΩ  
Voltage output swing from rail  
Short-circuit current  
ISC  
RO  
Open-loop output resistance  
Capacitive load drive  
f = 1 MHz, IO = 0  
CLOAD  
nF  
POWER SUPPLY  
VS  
Operating voltage range  
4 to 36 (±2 to ±18)  
V
Quiescent current (per amplifier)  
VS = ±4 V to VS = ±18 V  
415  
475  
μA  
μA  
IQ  
over temperature  
IO = 0 mA  
525  
TEMPERATURE RANGE  
Specified range  
40  
40  
65  
+105  
+125  
+150  
°C  
°C  
°C  
Operating range  
Storage range  
4
Submit Documentation Feedback  
Copyright © 2011, Texas Instruments Incorporated  
Product Folder Link(s): OPA188 OPA2188 OPA4188  
OPA188  
OPA2188  
OPA4188  
www.ti.com  
SBOS525 AUGUST 2011  
ELECTRICAL CHARACTERISTICS: Low-Voltage Operation  
VS = ±2 V to < ±4 V (VS = +4 V to < +8 V)  
Boldface limits apply over the specified temperature range, TA = 40°C to +105°C.  
At TA = +25°C, RL = 10 kΩ connected to VS/2, and VCOM = VOUT = VS/2, unless otherwise noted.  
OPA188, OPA2188, OPA4188  
PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
UNIT  
OFFSET VOLTAGE  
VOS  
Input offset voltage  
vs temperature  
6
0.03  
25  
0.085  
0.3  
μV  
μV/°C  
μV/V  
μV/V  
μV  
dVOS/dT  
vs power supply  
VS = 4 V to 36 V, VCM = VS/2  
0.075  
PSRR  
vs temperature  
VS = 4 V to 36 V, VCM = VS/2  
0.3  
Long-term stability  
Channel separation, dc  
See Note(1)  
1
μV/V  
INPUT BIAS CURRENT  
Input bias current  
VCM = VS/2  
±160  
±320  
±850  
±4  
pA  
nA  
pA  
nA  
IB  
over temperature  
Input offset current  
over temperature  
40°C to +105°C  
±1700  
±2  
IOS  
40°C to +105°C  
NOISE  
en  
Input voltage noise, f = 0.1 Hz to 10 Hz  
Input voltage noise density, f = 1 kHz  
Input current noise density, f = 1 kHz  
0.25  
8.8  
7
μVPP  
nV/Hz  
fA/Hz  
in  
INPUT VOLTAGE RANGE  
VCM  
Common-mode voltage range  
V–  
(V+) 1.5  
V
(V) < VCM < (V+) 1.5 V  
106  
114  
120  
dB  
Common-mode rejection ratio  
(V) + 0.5 V < VCM < (V+) 1.5 V,  
VS = ±2 V  
114  
dB  
CMRR  
(V) + 0.5 V < VCM < (V+) 1.5 V,  
VS = ±2 V  
over temperature  
110  
120  
dB  
INPUT IMPEDANCE  
Differential  
Common-mode  
OPEN-LOOP GAIN  
100/6  
6/95  
MΩ/pF  
1012 Ω/pF  
(V) + 500 mV < VO < (V+) 500 mV,  
RL = 5 kΩ, VS = 5 V  
110  
120  
114  
120  
130  
120  
dB  
dB  
dB  
Open-loop voltage gain  
(V) + 500 mV < VO < (V+) 500 mV,  
RL = 10 kΩ  
AOL  
(V) + 500 mV < VO < (V+) 500 mV,  
RL = 10 kΩ  
Open-loop voltage gain  
FREQUENCY RESPONSE  
GBW  
SR  
Gain-bandwidth product  
2
0.8  
MHz  
V/μs  
μs  
Slew rate  
G = +1  
Overload recovery time  
Total harmonic distortion + noise  
VIN × G = VS  
1
THD+N  
1 kHz, G = 1, VOUT = 1 Vrms  
0.0001  
%
(1) 1000-hour life test at +125°C demonstrated randomly distributed variation in the range of measurement limitsapproximately 4 μV.  
Copyright © 2011, Texas Instruments Incorporated  
Submit Documentation Feedback  
5
Product Folder Link(s): OPA188 OPA2188 OPA4188  
OPA188  
OPA2188  
OPA4188  
SBOS525 AUGUST 2011  
www.ti.com  
ELECTRICAL CHARACTERISTICS: Low-Voltage Operation (continued)  
VS = ±2 V to < ±4 V (VS = +4 V to < +8 V)  
Boldface limits apply over the specified temperature range, TA = 40°C to +105°C.  
At TA = +25°C, RL = 10 kΩ connected to VS/2, and VCOM = VOUT = VS/2, unless otherwise noted.  
OPA188, OPA2188, OPA4188  
PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
UNIT  
OUTPUT  
No load  
6
220  
310  
±18  
120  
1
15  
250  
350  
mV  
mV  
mV  
mA  
Ω
Voltage output swing from rail  
RL = 10 kΩ  
RL = 10 kΩ  
Voltage output swing from rail  
Short-circuit current  
ISC  
RO  
Open-loop output resistance  
Capacitive load drive  
f = 1 MHz, IO = 0  
CLOAD  
nF  
POWER SUPPLY  
VS  
Operating voltage range  
4 to 36 (±2 to ±18)  
V
Quiescent current (per amplifier)  
VS = ±2 V to VS = ±4 V  
385  
440  
μA  
μA  
IQ  
over temperature  
IO = 0 mA  
525  
TEMPERATURE RANGE  
Specified range  
40  
40  
65  
+105  
+125  
+150  
°C  
°C  
°C  
Operating range  
Storage range  
THERMAL INFORMATION: OPA2188  
OPA2188ID  
D
OPA2188IDGK  
DGK  
THERMAL METRIC(1)  
UNITS  
8 PINS  
111.0  
54.9  
8 PINS  
159.3  
37.4  
θJA  
Junction-to-ambient thermal resistance  
Junction-to-case (top) thermal resistance  
Junction-to-board thermal resistance  
θJCtop  
θJB  
51.7  
48.5  
°C/W  
ψJT  
Junction-to-top characterization parameter  
Junction-to-board characterization parameter  
Junction-to-case (bottom) thermal resistance  
9.3  
1.2  
ψJB  
51.1  
77.1  
θJCbot  
n/a  
n/a  
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.  
6
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Copyright © 2011, Texas Instruments Incorporated  
Product Folder Link(s): OPA188 OPA2188 OPA4188  
OPA188  
OPA2188  
OPA4188  
www.ti.com  
SBOS525 AUGUST 2011  
PIN CONFIGURATIONS  
OPA188  
D, DGK PACKAGES (SO-8, MSOP-8)  
(TOP VIEW)  
OPA188  
DBV PACKAGE (SOT23-5)  
(TOP VIEW)  
NC(1)  
-IN  
+IN  
V-  
1
2
3
4
8
7
6
5
NC  
V+  
V+  
OUT  
V-  
1
2
3
5
4
OUT  
NC  
-IN  
+IN  
OPA4188  
(1) NC = no connection.  
D, PW PACKAGES (SO-14, TSSOP-14)  
(TOP VIEW)  
OPA2188  
D, DGK PACKAGES (SO-8, MSOP-8)  
(TOP VIEW)  
OUT D  
-IN D  
+IN D  
V-  
OUT A  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
-IN A  
+IN A  
V+  
A
D
OUT A  
-IN A  
+IN A  
V-  
1
2
3
4
8
7
6
5
V+  
A
OUT B  
-IN B  
+IN B  
B
+IN C  
-IN C  
OUT C  
+IN B  
-IN B  
OUT B  
B
C
8
Copyright © 2011, Texas Instruments Incorporated  
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7
Product Folder Link(s): OPA188 OPA2188 OPA4188  
OPA188  
OPA2188  
OPA4188  
SBOS525 AUGUST 2011  
www.ti.com  
TYPICAL CHARACTERISTICS  
Table 1. Characteristic Performance Measurements  
DESCRIPTION  
FIGURE  
Figure 1  
Offset Voltage Production Distribution  
Offset Voltage Drift Distribution  
Figure 2  
Offset Voltage vs Temperature  
Figure 3  
Offset Voltage vs Common-Mode Voltage  
Offset Voltage vs Power Supply  
Figure 4, Figure 5  
Figure 6  
IB and IOS vs Common-Mode Voltage  
Input Bias Current vs Temperature  
Output Voltage Swing vs Output Current (Maximum Supply)  
CMRR and PSRR vs Frequency (Referred-to-Input)  
CMRR vs Temperature  
Figure 7  
Figure 8  
Figure 9  
Figure 10  
Figure 11, Figure 12  
Figure 13  
PSRR vs Temperature  
0.1-Hz to 10-Hz Noise  
Figure 14  
Input Voltage Noise Spectral Density vs Frequency  
THD+N Ratio vs Frequency  
Figure 15  
Figure 16  
THD+N vs Output Amplitude  
Figure 17  
Quiescent Current vs Supply Voltage  
Quiescent Current vs Temperature  
Open-Loop Gain and Phase vs Frequency  
Closed-Loop Gain vs Frequency  
Figure 18  
Figure 19  
Figure 20  
Figure 21  
Open-Loop Gain vs Temperature  
Open-Loop Output Impedance vs Frequency  
Small-Signal Overshoot vs Capacitive Load (100-mV Output Step)  
No Phase Reversal  
Figure 22  
Figure 23  
Figure 24, Figure 25  
Figure 26  
Positive Overload Recovery  
Figure 27  
Negative Overload Recovery  
Figure 28  
Small-Signal Step Response (100 mV)  
Large-Signal Step Response  
Figure 29, Figure 30  
Figure 31, Figure 32  
Figure 33  
Large-Signal Settling Time (10-V Positive Step)  
Large-Signal Settling Time (10-V Negative Step)  
Short-Circuit Current vs Temperature  
Maximum Output Voltage vs Frequency  
Channel Separation vs Frequency  
EMIRR IN+ vs Frequency  
Figure 34  
Figure 35  
Figure 36  
Figure 37  
Figure 38  
8
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TYPICAL CHARACTERISTICS  
VS = ±18 V, VCM = VS/2, RLOAD = 10 kΩ connected to VS/2, and CL = 100 pF, unless otherwise noted.  
OFFSET VOLTAGE PRODUCTION DISTRIBUTION  
OFFSET VOLTAGE DRIFT DISTRIBUTION  
20  
18  
16  
14  
12  
10  
8
40  
35  
30  
25  
20  
15  
10  
5
Distribution Taken From 1400 Amplifiers  
Distribution Taken From 78 Amplifiers  
6
4
2
0
0
Offset Voltage (mV)  
Offset Voltage Drift (mV/°C)  
Figure 1.  
Figure 2.  
OFFSET VOLTAGE vs TEMPERATURE  
OFFSET VOLTAGE vs COMMON-MODE VOLTAGE  
15  
10  
5
15  
10  
5
5 Typical Units Shown  
VS = ±2 V  
5 Typical Units Shown  
VS = ±18 V  
0
0
-5  
-10  
-15  
-5  
-10  
-15  
-2.5 -2 -1.5 -1 -0.5  
0
0.5  
1
1.5  
2
2.5  
-55 -35 -15  
5
25  
45  
65  
85  
105 125  
VCM (V)  
Temperature (°C)  
Figure 3.  
Figure 4.  
OFFSET VOLTAGE vs COMMON-MODE VOLTAGE  
OFFSET VOLTAGE vs POWER SUPPLY  
15  
10  
5
15  
10  
5
5 Typical Units Shown  
VS = ±18 V  
5 Typical Units Shown  
VSUPPLY = ±2 V to ±18 V  
0
0
-5  
-10  
-15  
-5  
-10  
-15  
-20  
-15  
-10  
-5  
0
5
10  
15  
20  
0
2
4
6
8
10  
12  
14  
16  
18  
20  
VCM (V)  
VSUPPLY (V)  
Figure 5.  
Figure 6.  
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TYPICAL CHARACTERISTICS (continued)  
VS = ±18 V, VCM = VS/2, RLOAD = 10 kΩ connected to VS/2, and CL = 100 pF, unless otherwise noted.  
IB AND IOS vs COMMON-MODE VOLTAGE  
INPUT BIAS CURRENT vs TEMPERATURE  
500  
400  
300  
200  
100  
0
4000  
3000  
2000  
1000  
0
IB+  
IB-  
IOS  
+IB  
-IB  
IOS  
-100  
-200  
-300  
-1000  
-2000  
-20  
-15  
-10  
-5  
0
5
10  
15  
20  
-55 -35 -15  
5
25  
45  
65  
85  
105 125  
VCM (V)  
Temperature (°C)  
Figure 7.  
Figure 8.  
OUTPUT VOLTAGE SWING vs OUTPUT CURRENT  
(Maximum Supply)  
CMRR AND PSRR vs FREQUENCY  
(Referred-to-Input)  
20  
19  
160  
140  
120  
100  
80  
-40°C  
+85°C  
+125°C  
18  
17  
16  
15  
14  
-14  
-15  
-16  
-17  
-18  
-19  
-20  
60  
40  
+PSRR  
-PSRR  
CMRR  
20  
0
0
2
4
6
8
10 12 14 16 18 20 22 24  
1
10  
100  
1k  
10k  
100k  
1M  
Output Current (mA)  
Frequency (Hz)  
Figure 9.  
Figure 10.  
CMRR vs TEMPERATURE  
CMRR vs TEMPERATURE  
40  
35  
30  
25  
20  
15  
10  
5
8
7
6
5
4
3
2
1
0
(V-) < VCM < (V+) - 1.5 V  
(V-) < VCM < (V+) - 1.5 V  
(V-) + 0.5 V < VCM < (V+) - 1.5 V  
(V-) + 0.5 V < VCM < (V+) - 1.5 V  
VSUPPLY = ±2 V  
VSUPPLY = ±18 V  
0
-55 -35 -15  
5
25  
45  
65  
85  
105 125  
-55 -35 -15  
5
25  
45  
65  
85  
105 125  
Temperature (°C)  
Temperature (°C)  
Figure 11.  
Figure 12.  
10  
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TYPICAL CHARACTERISTICS (continued)  
VS = ±18 V, VCM = VS/2, RLOAD = 10 kΩ connected to VS/2, and CL = 100 pF, unless otherwise noted.  
PSRR vs TEMPERATURE  
0.1-Hz TO 10-Hz NOISE  
1
0.8  
5 Typical Units Shown  
VSUPPLY = ±2 V to ±18 V  
0.6  
0.4  
0.2  
0
-0.2  
-0.4  
-0.6  
-0.8  
-1  
Peak-to-Peak Noise = 250 nV  
Time (1 s/div)  
-55 -35 -15  
5
25  
45  
65  
85  
105 125  
Temperature (°C)  
Figure 13.  
Figure 14.  
INPUT VOLTAGE NOISE SPECTRAL DENSITY vs  
FREQUENCY  
THD+N RATIO vs FREQUENCY  
100  
10  
1
0.01  
0.001  
-80  
VOUT = 1 VRMS  
BW = 80 kHz  
-100  
-120  
-140  
0.0001  
0.00001  
G = +1, RL = 10 kW  
G = -1, RL = 10 kW  
10  
100  
1k  
10k 20k  
0.1  
1
10  
100  
1k  
10k  
100k  
Frequency (Hz)  
Frequency (Hz)  
Figure 15.  
Figure 16.  
THD+N vs OUTPUT AMPLITUDE  
QUIESCENT CURRENT vs SUPPLY VOLTAGE  
0.1  
-60  
0.5  
BW = 80 kHz  
0.48  
0.46  
0.44  
0.42  
0.4  
0.01  
-80  
0.001  
0.0001  
-100  
-120  
-140  
0.38  
0.36  
0.34  
0.32  
0.3  
G = +1, RL = 10 kW  
G = -1, RL = 10 kW  
Specified Supply-Voltage Range  
0.00001  
0.01  
0.1  
1
10 20  
0
4
8
12  
16  
20  
24  
28  
32  
36  
Output Amplitude (VRMS  
)
Supply Voltage (V)  
Figure 17.  
Figure 18.  
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TYPICAL CHARACTERISTICS (continued)  
VS = ±18 V, VCM = VS/2, RLOAD = 10 kΩ connected to VS/2, and CL = 100 pF, unless otherwise noted.  
QUIESCENT CURRENT vs TEMPERATURE  
OPEN-LOOP GAIN AND PHASE vs FREQUENCY  
0.5  
0.48  
0.46  
0.44  
0.42  
0.4  
0
180  
135  
90  
Gain  
VS = ±18 V  
VS = ±2 V  
-45  
-90  
-135  
-180  
Phase  
45  
0.38  
0.36  
0.34  
0.32  
0.3  
0
-45  
-225  
0.1  
1
10  
100  
1k  
10k 100k  
1M  
10M  
-55 -35 -15  
5
25  
45  
65  
85  
105 125  
Frequency (Hz)  
Temperature (°C)  
Figure 19.  
Figure 20.  
CLOSED-LOOP GAIN vs FREQUENCY  
OPEN-LOOP GAIN vs TEMPERATURE  
3
2.5  
2
25  
20  
15  
10  
5
VSUPPLY = 4 V, RL = 10 kW  
VSUPPLY = 36 V, RL = 10 kW  
1.5  
1
0
-5  
-10  
-15  
-20  
G = 10  
G = +1  
G = -1  
0.5  
0
10k  
100k  
1M  
10M  
-55 -35 -15  
5
25  
45  
65  
85  
105 125  
Frequency (Hz)  
Temperature (°C)  
Figure 21.  
Figure 22.  
SMALL-SIGNAL OVERSHOOT vs CAPACITIVE LOAD  
(100-mV Output Step)  
OPEN-LOOP OUTPUT IMPEDANCE vs FREQUENCY  
10k  
40  
RL = 10 kW  
35  
30  
25  
20  
15  
10  
5
ROUT = 0 W  
1k  
100  
10  
ROUT = 25 W  
ROUT = 50 W  
G = +1  
+18  
V
ROUT  
Device  
1
RL  
CL  
-18  
V
0
1m  
1
10  
100  
1k  
10k  
100k  
1M  
10M  
0
100 200 300 400 500 600 700 800 900 1000  
Capacitive Load (pF)  
Frequency (Hz)  
Figure 23.  
Figure 24.  
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TYPICAL CHARACTERISTICS (continued)  
VS = ±18 V, VCM = VS/2, RLOAD = 10 kΩ connected to VS/2, and CL = 100 pF, unless otherwise noted.  
SMALL-SIGNAL OVERSHOOT vs CAPACITIVE LOAD  
(100-mV Output Step)  
NO PHASE REVERSAL  
40  
35  
30  
25  
20  
15  
10  
5
+18 V  
ROUT = 0 W  
ROUT = 25 W  
ROUT = 50 W  
Device  
-18 V  
37 VPP  
Sine Wave  
(±18.5 V)  
RF = 10 kW  
RI = 10 kW  
G = -1  
+18 V  
ROUT  
VIN  
Device  
CL  
VOUT  
RL = 10 kW  
-18 V  
0
Time (100 ms/div)  
0
100 200 300 400 500 600 700 800 900 1000  
Capacitive Load (pF)  
Figure 25.  
Figure 26.  
POSITIVE OVERLOAD RECOVERY  
NEGATIVE OVERLOAD RECOVERY  
VIN  
VOUT  
20 kW  
20 kW  
+18 V  
2 kW  
+18 V  
2 kW  
VOUT  
Device  
VOUT  
VIN  
Device  
VIN  
-18 V  
-18 V  
G = -10  
G = -10  
VOUT  
VIN  
Time (5 ms/div)  
Time (5 ms/div)  
Figure 27.  
Figure 28.  
SMALL-SIGNAL STEP RESPONSE  
(100 mV)  
SMALL-SIGNAL STEP RESPONSE  
(100 mV)  
RL = 10 kW  
CL = 10 pF  
RL = 10 kW  
CL = 10 pF  
RI = 2 kW RF = 2 kW  
G = +1  
+18 V  
Device  
-18 V  
+18 V  
Device  
RL  
CL  
CL  
-18 V  
G = -1  
Time (20 ms/div)  
Time (1 ms/div)  
Figure 29.  
Figure 30.  
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TYPICAL CHARACTERISTICS (continued)  
VS = ±18 V, VCM = VS/2, RLOAD = 10 kΩ connected to VS/2, and CL = 100 pF, unless otherwise noted.  
LARGE-SIGNAL STEP RESPONSE  
LARGE-SIGNAL STEP RESPONSE  
G = +1  
RL = 10 kW  
G = -1  
RL = 10 kW  
CL = 10 pF  
CL = 10 pF  
Time (50 ms/div)  
Time (50 ms/div)  
Figure 31.  
Figure 32.  
LARGE-SIGNAL SETTLING TIME  
(10-V Positive Step)  
LARGE-SIGNAL SETTLING TIME  
(10-V Negative Step)  
10  
8
10  
8
G = -1  
G = -1  
6
6
4
4
12-Bit Settling  
12-Bit Settling  
2
2
0
0
-2  
-4  
-6  
-8  
-10  
-2  
-4  
-6  
-8  
-10  
(±1/2 LSB = ±0.024%)  
(±1/2 LSB = ±0.024%)  
0
10  
20  
30  
40  
50  
60  
0
10  
20  
30  
40  
50  
60  
Time (ms)  
Time (ms)  
Figure 33.  
Figure 34.  
SHORT-CIRCUIT CURRENT vs TEMPERATURE  
MAXIMUM OUTPUT VOLTAGE vs FREQUENCY  
30  
20  
15  
12.5  
10  
VS = ±15 V  
10  
Maximum output voltage without  
slew-rate induced distortion.  
ISC, Source  
ISC, Sink  
0
7.5  
5
VS = ±5 V  
-10  
-20  
-30  
2.5  
0
VS = ±2.25 V  
-55 -35 -15  
5
25  
45  
65  
85  
105 125  
1k  
10k  
100k  
1M  
10M  
Temperature (°C)  
Frequency (Hz)  
Figure 35.  
Figure 36.  
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TYPICAL CHARACTERISTICS (continued)  
VS = ±18 V, VCM = VS/2, RLOAD = 10 kΩ connected to VS/2, and CL = 100 pF, unless otherwise noted.  
CHANNEL SEPARATION vs FREQUENCY  
EMIRR IN+ vs FREQUENCY  
-60  
-70  
160  
140  
120  
100  
80  
Channel A to B  
Channel B to A  
-80  
-90  
-100  
-110  
-120  
-130  
-140  
-150  
60  
40  
20  
0
1
10  
100  
1k  
10k 100k  
1M  
10M 100M  
10M  
100M  
Frequency (Hz)  
1G  
10G  
Frequency (Hz)  
Figure 37.  
Figure 38.  
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APPLICATION INFORMATION  
The OPAx188 family of operational amplifiers combine precision offset and drift with excellent overall  
performance, making them ideal for many precision applications. The precision offset drift of only 0.085 µV/°C  
provides stability over the entire temperature range. In addition, the device offers excellent overall performance  
with high CMRR, PSRR, and AOL. As with all amplifiers, applications with noisy or high-impedance power  
supplies require decoupling capacitors close to the device pins. In most cases, 0.1-µF capacitors are adequate.  
OPERATING CHARACTERISTICS  
The OPAx188 family of amplifiers is specified for operation from 4 V to 36 V (±2 V to ±18 V). Many of the  
specifications apply from 40°C to +105°C. Parameters that can exhibit significant variance with regard to  
operating voltage or temperature are presented in the Typical Characteristics.  
EMI REJECTION  
The OPAx188 uses integrated electromagnetic interference (EMI) filtering to reduce the effects of EMI  
interference from sources such as wireless communications and densely populated boards with a mix of analog  
signal chain and digital components. EMI immunity can be improved with circuit design techniques; the OPAx188  
benefits from these design improvements. Texas Instruments has developed the ability to accurately measure  
and quantify the immunity of an operational amplifier over a broad frequency spectrum extending from 10 MHz to  
6 GHz. Figure 39 shows the results of this testing on the OPAx188. Detailed information can also be found in the  
Application Report EMI Rejection Ratio of Operational Amplifiers (SBOA128), available for download from the TI  
website.  
160  
140  
120  
100  
80  
60  
40  
20  
0
10M  
100M  
Frequency (Hz)  
1G  
10G  
Figure 39. OPAx188 EMIRR Testing  
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GENERAL LAYOUT GUIDELINES  
For best operational performance of the device, good printed circuit board (PCB) layout practices are  
recommended. Low-loss, 0.1-µF bypass capacitors should be connected between each supply pin and ground,  
placed as close to the device as possible. A single bypass capacitor from V+ to ground is applicable to  
single-supply applications.  
PHASE-REVERSAL PROTECTION  
The OPAx188 family has an internal phase-reversal protection. Many op amps exhibit a phase reversal when the  
input is driven beyond its linear common-mode range. This condition is most often encountered in noninverting  
circuits when the input is driven beyond the specified common-mode voltage range, causing the output to  
reverse into the opposite rail. The input of the OPAx188 prevents phase reversal with excessive common-mode  
voltage. Instead, the output limits into the appropriate rail. This performance is shown in Figure 40.  
+18 V  
Device  
-18 V  
37 VPP  
Sine Wave  
(±18.5 V)  
VIN  
VOUT  
Time (100 ms/div)  
Figure 40. No Phase Reversal  
CAPACITIVE LOAD AND STABILITY  
The dynamic characteristics of the OPAx188 have been optimized for a range of common operating conditions.  
The combination of low closed-loop gain and high capacitive loads decreases the phase margin of the amplifier  
and can lead to gain peaking or oscillations. As a result, heavier capacitive loads must be isolated from the  
output. The simplest way to achieve this isolation is to add a small resistor (for example, ROUT equal to 50 Ω) in  
series with the output. Figure 41 and Figure 42 illustrate graphs of small-signal overshoot versus capacitive load  
for several values of ROUT. Also, refer to the Applications Report, Feedback Plots Define Op Amp AC  
Performance (SBOA015), available for download from the TI website, for details of analysis techniques and  
application circuits.  
40  
35  
30  
25  
20  
15  
10  
5
40  
35  
30  
25  
20  
15  
10  
5
RL = 10 kW  
ROUT = 0 W  
ROUT = 25 W  
ROUT = 50 W  
ROUT = 0 W  
ROUT = 25 W  
ROUT = 50 W  
G = +1  
+18  
V
RF = 10 kW  
RI = 10 kW  
G = -1  
ROUT  
+18 V  
Device  
ROUT  
RL  
CL  
-18  
V
Device  
CL  
RL = 10 kW  
-18 V  
0
0
0
100 200 300 400 500 600 700 800 900 1000  
Capacitive Load (pF)  
0
100 200 300 400 500 600 700 800 900 1000  
Capacitive Load (pF)  
Figure 41. Small-Signal Overshoot versus  
Capacitive Load (100-mV Output Step)  
Figure 42. Small-Signal Overshoot versus  
Capacitive Load (100-mV Output Step)  
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ELECTRICAL OVERSTRESS  
Designers often ask questions about the capability of an operational amplifier to withstand electrical overstress.  
These questions tend to focus on the device inputs, but may involve the supply voltage pins or even the output  
pin. Each of these different pin functions have electrical stress limits determined by the voltage breakdown  
characteristics of the particular semiconductor fabrication process and specific circuits connected to the pin.  
Additionally, internal electrostatic discharge (ESD) protection is built into these circuits to protect them from  
accidental ESD events both before and during product assembly.  
These ESD protection diodes also provide in-circuit, input overdrive protection, as long as the current is limited to  
10 mA as stated in the Absolute Maximum Ratings. Figure 43 shows how a series input resistor may be added to  
the driven input to limit the input current. The added resistor contributes thermal noise at the amplifier input and  
its value should be kept to a minimum in noise-sensitive applications.  
V+  
IOVERLOAD  
10 mA max  
VOUT  
Device  
VIN  
5 kW  
Figure 43. Input Current Protection  
An ESD event produces a short duration, high-voltage pulse that is transformed into a short duration,  
high-current pulse as it discharges through a semiconductor device. The ESD protection circuits are designed to  
provide a current path around the operational amplifier core to prevent it from being damaged. The energy  
absorbed by the protection circuitry is then dissipated as heat.  
When the operational amplifier connects into a circuit, the ESD protection components are intended to remain  
inactive and not become involved in the application circuit operation. However, circumstances may arise where  
an applied voltage exceeds the operating voltage range of a given pin. Should this condition occur, there is a risk  
that some of the internal ESD protection circuits may be biased on, and conduct current. Any such current flow  
occurs through ESD cells and rarely involves the absorption device.  
If there is an uncertainty about the ability of the supply to absorb this current, external zener diodes may be  
added to the supply pins. The zener voltage must be selected such that the diode does not turn on during normal  
operation.  
However, its zener voltage should be low enough so that the zener diode conducts if the supply pin begins to  
rise above the safe operating supply voltage level.  
18  
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APPLICATION EXAMPLES  
The application examples of Figure 44 and Figure 45 highlight only a few of the circuits where the OPAx188  
family of devices can be used.  
15 V  
U2  
1/2  
VOUTP  
OPA2188  
3.3 V  
R5  
VDIFF/2  
-15 V  
1 kW  
Ref 1  
Ref 2  
RG  
500 W  
R7  
U1  
INA159  
VOUT  
+
1 kW  
VCM  
10  
Sense  
-15 V  
U5  
1/2  
-VDIFF/2  
VOUTN  
OPA2188  
15 V  
Figure 44. Discrete INA + Attenuation for ADC with 3.3-V Supply  
+15 V  
(5 V)  
Out  
In  
REF5050  
1 mF  
1 mF  
R2  
49.1 kW  
R3  
60.4 kW  
R1  
4.99 kW  
0°C = 0 V  
VOUT  
OPA188  
200°C = 5 V  
R5  
105.8 kW(1)  
RTD  
Pt100  
R4  
1 kW  
(1) R5 provides positive-varying excitation to linearize output.  
Figure 45. RTD Amplifier with Linearization  
Copyright © 2011, Texas Instruments Incorporated  
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Product Folder Link(s): OPA188 OPA2188 OPA4188  
 
 
PACKAGE OPTION ADDENDUM  
www.ti.com  
15-Aug-2011  
PACKAGING INFORMATION  
Status (1)  
Eco Plan (2)  
MSL Peak Temp (3)  
Samples  
Orderable Device  
Package Type Package  
Drawing  
Pins  
Package Qty  
Lead/  
Ball Finish  
(Requires Login)  
OPA2188AID  
PREVIEW  
ACTIVE  
SOIC  
D
8
8
TBD  
Call TI  
Call TI  
OPA2188AIDGKR  
MSOP  
DGK  
2500  
250  
Green (RoHS  
& no Sb/Br)  
CU NIPDAU Level-2-260C-1 YEAR  
OPA2188AIDGKT  
OPA2188AIDR  
ACTIVE  
MSOP  
SOIC  
DGK  
D
8
8
Green (RoHS  
& no Sb/Br)  
CU NIPDAU Level-2-260C-1 YEAR  
PREVIEW  
TBD  
Call TI  
Call TI  
(1) The marketing status values are defined as follows:  
ACTIVE: Product device recommended for new designs.  
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.  
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.  
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.  
OBSOLETE: TI has discontinued the production of the device.  
(2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability  
information and additional product content details.  
TBD: The Pb-Free/Green conversion plan has not been defined.  
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that  
lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.  
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between  
the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above.  
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight  
in homogeneous material)  
(3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.  
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information  
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In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.  
Addendum-Page 1  
IMPORTANT NOTICE  
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配单直通车
OPA2333AIDGKR产品参数
型号:OPA2333AIDGKR
Brand Name:Texas Instruments
是否无铅: 不含铅
是否Rohs认证: 符合
生命周期:Active
IHS 制造商:TEXAS INSTRUMENTS INC
零件包装代码:MSOP
包装说明:TSSOP, TSSOP8,.19
针数:8
Reach Compliance Code:compliant
ECCN代码:EAR99
HTS代码:8542.33.00.01
Factory Lead Time:1 week
风险等级:0.68
放大器类型:OPERATIONAL AMPLIFIER
架构:VOLTAGE-FEEDBACK
最大平均偏置电流 (IIB):0.0002 µA
25C 时的最大偏置电流 (IIB):0.0002 µA
最小共模抑制比:106 dB
标称共模抑制比:130 dB
频率补偿:YES
最大输入失调电流 (IIO):0.0004 µA
最大输入失调电压:10 µV
JESD-30 代码:R-PDSO-G8
JESD-609代码:e4
长度:3 mm
低-偏置:YES
低-失调:YES
微功率:YES
湿度敏感等级:1
负供电电压上限:
标称负供电电压 (Vsup):
功能数量:2
端子数量:8
最高工作温度:125 °C
最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP
封装等效代码:TSSOP8,.19
封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
包装方法:TR
峰值回流温度(摄氏度):260
功率:NO
电源:+-0.9/+-2.75/1.8/5.5 V
可编程功率:NO
认证状态:Not Qualified
座面最大高度:1.1 mm
标称压摆率:0.16 V/us
子类别:Operational Amplifier
最大压摆率:0.05 mA
供电电压上限:7 V
标称供电电压 (Vsup):5 V
表面贴装:YES
技术:CMOS
温度等级:AUTOMOTIVE
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING
端子节距:0.65 mm
端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED
标称均一增益带宽:350 kHz
最小电压增益:200000
宽带:NO
宽度:3 mm
Base Number Matches:1
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