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  • OPA4277UA图
  • 集好芯城

     该会员已使用本站13年以上
  • OPA4277UA 现货库存
  • 数量24555 
  • 厂家TI(德州仪器) 
  • 封装 
  • 批号22+ 
  • 原装原厂现货
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  • 深圳市恒嘉威智能科技有限公司

     该会员已使用本站7年以上
  • OPA4277UA/2K5 现货库存
  • 数量14324 
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  • 批号21+ 
  • 原装恒嘉威价格最实在
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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
  • OPA4277UA 现货库存
  • 数量50 
  • 厂家TI 
  • 封装SOIC (D) 
  • 批号新批次 
  • 新到现货、一手货源、当天发货、bom配单
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  • 深圳市华来深电子有限公司

     该会员已使用本站13年以上
  • OPA4277UA/2K5 现货库存
  • 数量3500 
  • 厂家TI 
  • 封装SOIC14 
  • 批号17+ 
  • 受权代理!全新原装现货特价热卖!
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  • HECC GROUP CO.,LIMITED

     该会员已使用本站17年以上
  • OPA4277UA 现货库存
  • 数量7500 
  • 厂家TI 
  • 封装14-SOIC 
  • 批号24+ 
  • 假一罚百,TI专营!深圳有库存,北美、新加坡可发货
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  • OPA4277UA图
  • 深圳市拓亿芯电子有限公司

     该会员已使用本站12年以上
  • OPA4277UA 现货库存
  • 数量10500 
  • 厂家BB 
  • 封装SOP14 
  • 批号23+ 
  • 只做原装现货假一罚十
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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
  • OPA4277UA/2K5 现货库存
  • 数量18500 
  • 厂家TI(德州仪器) 
  • 封装SOIC-14 
  • 批号24+ 
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  • OPA4277UA图
  • 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
  • OPA4277UA 现货库存
  • 数量4119 
  • 厂家BB 
  • 封装SOP 
  • 批号2023+ 
  • 全新原厂原装产品、公司现货销售
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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
  • OPA4277UA 现货库存
  • 数量16565 
  • 厂家TI 
  • 封装SOP 
  • 批号2017+ 
  • 特价出售,自己库存现货,全新原装
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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
  • OPA4277UA 现货库存
  • 数量8500 
  • 厂家TI 
  • 封装SOP14 
  • 批号24+ 
  • 只做原装正品现货销售
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  • OPA4277UA/2K5图
  • 深圳市恒达亿科技有限公司

     该会员已使用本站12年以上
  • OPA4277UA/2K5 现货库存
  • 数量3000 
  • 厂家TI 
  • 封装SOP14 
  • 批号23+ 
  • 原装正品特价销售
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  • OPA4277UA/2K5图
  • 深圳市中利达电子科技有限公司

     该会员已使用本站11年以上
  • OPA4277UA/2K5 现货库存
  • 数量5000 
  • 厂家TI 
  • 封装N/A 
  • 批号24+ 
  • 挂了就有,工厂库存,YX价优
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  • OPA4277UA图
  • 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
  • OPA4277UA 现货库存
  • 数量60030 
  • 厂家TI/德州仪器 
  • 封装SOP14 
  • 批号2023+ 
  • 专营原装正品量大可定货
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  • 深圳市英德州科技有限公司

     该会员已使用本站2年以上
  • OPA4277UA 现货库存
  • 数量85000 
  • 厂家TI(德州仪器) 
  • 封装SOIC-14 
  • 批号1年内 
  • 全新原装 货源稳定 长期供应 提供配单
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  • -0755-88604592 QQ:2355734291
  • OPA4277UA图
  • 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
  • OPA4277UA 现货库存
  • 数量8000 
  • 厂家TI(德州仪器) 
  • 封装SOIC-14 
  • 批号22+ 
  • 宗天技术 原装现货/假一赔十
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  • 深圳市富莱微科技有限公司

     该会员已使用本站6年以上
  • OPA4277UA/2K5G4 现货库存
  • 数量
  • 厂家TI 
  • 封装14-SOIC 
  • 批号23+ 
  • 全新原装,公司现货
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    QQ:2885835292QQ:2885835292 复制
  • 0755-83210149 QQ:1968343307QQ:2885835292
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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
  • OPA4277UA/2K5 优势库存
  • 数量5000 
  • 厂家TI 
  • 封装SOP14 
  • 批号23+ 
  • 只做原装正品
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  • OPA4277UA图
  • 深圳市卓越微芯电子有限公司

     该会员已使用本站12年以上
  • OPA4277UA 热卖库存
  • 数量4077 
  • 厂家BB 
  • 封装SOP-14 
  • 批号20+ 
  • 百分百原装正品 真实公司现货库存 本公司只做原装 可开13%增值税发票,支持样品,欢迎来电咨询!
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  • 深圳市友进科技有限公司

     该会员已使用本站1年以上
  • OPA4277UA 热卖库存
  • 数量434748 
  • 厂家umw(友台半导体) 
  • 封装SOP-14 
  • 批号23+ 
  • 原装现货,原厂授权
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  • OPA4277UA图
  • 深圳市拓森弘电子有限公司

     该会员已使用本站1年以上
  • OPA4277UA
  • 数量4000 
  • 厂家TI/德州仪器 
  • 封装SOP14 
  • 批号21+ 
  • 全新原装正品,库存现货实报
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  • 13714410484 QQ:1300774727
  • OPA4277UA图
  • 深圳市顺兴源微电子商行

     该会员已使用本站7年以上
  • OPA4277UA
  • 数量900000 
  • 厂家BB 
  • 封装SOP 
  • 批号14+ 
  • 原装现货,低价出售
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  • 0755-82723655 QQ:3475025894QQ:3504055308
  • OPA4277UA图
  • 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
  • OPA4277UA
  • 数量12500 
  • 厂家TI/德州仪器 
  • 封装SOIC-14 
  • 批号2023+ 
  • 绝对原装正品全新深圳进口现货,优质渠道供应商!
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  • OPA4277UA图
  • 深圳市华科泰电子商行

     该会员已使用本站13年以上
  • OPA4277UA
  • 数量6800 
  • 厂家BB 
  • 封装SOP14 
  • 批号01+ 
  • 绝对原装现货特价
  • QQ:405945546QQ:405945546 复制
    QQ:1439873477QQ:1439873477 复制
  • 0755-82567800 QQ:405945546QQ:1439873477
  • OPA4277UA图
  • 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
  • OPA4277UA
  • 数量12500 
  • 厂家BB 
  • 封装SOP 
  • 批号2023+ 
  • 绝对原装全新正品现货/优势渠道商、原盘原包原盒
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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
  • OPA4277UA
  • 数量12500 
  • 厂家TI 
  • 封装Original 
  • 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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  • 北京首天国际有限公司

     该会员已使用本站16年以上
  • OPA4277UA .
  • 数量5147 
  • 厂家BB/TI 
  • 封装SOP14 
  • 批号2024+ 
  • 百分百原装正品,现货库存
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  • 010-62565447 QQ:528164397QQ:1318502189
  • OPA4277UA图
  • 集好芯城

     该会员已使用本站13年以上
  • OPA4277UA
  • 数量20529 
  • 厂家TI/德州仪器 
  • 封装SOP14 
  • 批号最新批次 
  • 原装原厂 现货现卖
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    QQ:3008092965QQ:3008092965 复制
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  • OPA4277UA DC04图
  • 北京中其伟业科技有限公司

     该会员已使用本站16年以上
  • OPA4277UA DC04
  • 数量657 
  • 厂家BB 
  • 封装原厂封装 
  • 批号16+ 
  • 特价,原装正品,绝对公司现货库存,原装特价!
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  • 北京齐天芯科技有限公司

     该会员已使用本站15年以上
  • OPA4277UA/2K5G4
  • 数量10000 
  • 厂家TEXAS 
  • 封装SOIC 
  • 批号2024+ 
  • 原装正品,假一罚十
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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
  • OPA4277UA .
  • 数量5000 
  • 厂家BB/TI 
  • 封装SOP14 
  • 批号2024+ 
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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
  • OPA4277UA
  • 数量5000 
  • 厂家NXP Semiconductors 
  • 封装贴/插片 
  • 批号2024+ 
  • 百分百原装正品,现货库存
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  • 深圳市婷轩实业有限公司

     该会员已使用本站6年以上
  • OPA4277UA
  • 数量5000 
  • 厂家Texas Instruments 
  • 封装14-SOIC 
  • 批号23+ 
  • 进口原装现货热卖
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产品型号OPA4277UA的概述

OPA4277UA概述 OPA4277UA是一款高性能的运算放大器,属于德州仪器(Texas Instruments)旗下产品。该芯片是以高精度、低失真和低噪声特性而著称,适用于多种应用场景,包括精密仪器、数据采集、信号调理和音频处理等。其大功率、宽频带和卓越的线性度使其在各类工程项目中广受欢迎。 芯片OPA4277UA的详细参数 OPA4277UA的技术参数可以概括为以下几个关键指标: 1. 工作电源电压: - 单电源供电:从4.5V到36V - 双电源供电:从±2.25V到±18V 2. 输入参数: - 输入偏置电流:最大为20 pA - 输入失调电压:最大为50 μV - 共模输入电压范围:从-0.1V到V+ - 2V 3. 功率参数: - 输出摆幅:可达±13V(在±15V电源下) - 输出电流:最大为50 mA - 电源电流:最...

产品型号OPA4277UA的Datasheet PDF文件预览

®
OPA277  
OPA2277  
OPA4277  
OP  
A2277  
OPA277  
OPA4277  
O
O
P
A
P
A
2
27  
2
7
7
7
O
PA  
4277  
For most current data sheet and other product  
information, visit www.burr-brown.com  
High Precision  
OPERATIONAL AMPLIFIERS  
FEATURES  
ULTRA LOW OFFSET VOLTAGE: 10µV  
ULTRA LOW DRIFT: ±0.1µV/°C  
HIGH OPEN-LOOP GAIN: 134dB  
HIGH COMMON-MODE REJECTION: 140dB  
HIGH POWER SUPPLY REJECTION: 130dB  
LOW BIAS CURRENT: 1nA max  
DESCRIPTION  
The OPA277 series precision op amps replace the industry  
standard OP-177. They offer improved noise, wider output  
voltage swing, and are twice as fast with half the quiescent  
current. Features include ultra low offset voltage and drift, low  
bias current, high common-mode rejection, and high power  
supply rejection. Single, dual, and quad versions have identical  
specifications for maximum design flexibility.  
OPA277 series op amps operate from ±2V to ±18V supplies  
with excellent performance. Unlike most op amps which  
are specified at only one supply voltage, the OPA277 series  
is specified for real-world applications; a single limit ap-  
plies over the ±5V to ±15V supply range. High performance  
is maintained as the amplifiers swing to their specified limits.  
Because the initial offset voltage (±20µV max) is so low, user  
adjustment is usually not required. However, the single version  
(OPA277) provides external trim pins for special applications.  
WIDE SUPPLY RANGE: ±2V to ±18V  
LOW QUIESCENT CURRENT: 800µA/amp  
SINGLE, DUAL, AND QUAD VERSIONS  
REPLACES OP-07, OP-77, OP-177  
APPLICATIONS  
TRANSDUCER AMPLIFIER  
BRIDGE AMPLIFIER  
OPA277 op amps are easy to use and free from phase inversion  
and overload problems found in some other op amps. They are  
stable in unity gain and provide excellent dynamic behavior  
over a wide range of load conditions. Dual and quad versions  
feature completely independent circuitry for lowest crosstalk  
and freedom from interaction, even when overdriven or over-  
loaded.  
TEMPERATURE MEASUREMENTS  
STRAIN GAGE AMPLIFIER  
PRECISION INTEGRATOR  
BATTERY POWERED INSTRUMENTS  
TEST EQUIPMENT  
Single (OPA277) and dual (OPA2277) versions are available  
in 8-pin DIP and SO-8 surface-mount packages. The quad  
(OPA4277) comes in 14-pin DIP and SO-14 surface-mount  
packages. All are fully specified from –40°C to +85°C and  
operate from –55°C to +125°C.  
OPA277  
Offset Trim  
1
2
3
4
8
7
6
5
Offset Trim  
V+  
–In  
+In  
V–  
OPA4277  
Output  
NC  
Out A  
–In A  
+In A  
V+  
1
2
3
4
5
6
7
14 Out D  
13 –In D  
12 +In D  
11 V–  
OPA2277  
A
B
D
C
8-Pin DIP, SO-8  
Out A  
1
2
3
4
8
7
6
5
V+  
A
–In A  
+In A  
V–  
Out B  
–In B  
+In B  
+In B  
–In B  
Out B  
10 +In C  
B
9
8
–In C  
Out C  
8-Pin DIP, SO-8  
14-Pin DIP, SO-14  
IInternational Airport Industrial Park  
Twx: 910-952-1111  
Mailing Address: PO Box 11400, Tucson, AZ 85734  
Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706  
Tel: (520) 746-1111  
Internet: http://www.burr-brown.com/  
Cable: BBRCORP Telex: 066-6491  
FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132  
© 1997 Burr-Brown Corporation  
PDS-1413D  
Printed in U.S.A. March, 1999  
SPECIFICATIONS: VS = ±5V to VS = ±15V  
At TA = +25°C, and RL = 2k, unless otherwise noted.  
Boldface limits apply over the specified temperature range, –40°C to +85°C.  
OPA277PA, UA  
OPA2277PA, UA  
OPA4277PA, UA  
OPA277P, U  
OPA2277P, U  
PARAMETER  
CONDITION  
MIN  
TYP(1)  
MAX  
MIN  
TYP(1)  
MAX  
UNITS  
OFFSET VOLTAGE  
Input Offset Voltage:  
VOS  
OPA277P, U (high grade, single)  
OPA2277P, U (high grade, dual)  
All PA, UA Versions  
±10  
±10  
±20  
±25  
µV  
µV  
µV  
±20  
±50  
±100  
±1  
Input Offset Voltage Over Temperature  
OPA277P, U (high grade, single)  
OPA2277P, U (high grade, dual)  
All PA, UA Versions  
TA = –40°C to +85°C  
TA = –40°C to +85°C  
TA = –40°C to +85°C  
±30  
±50  
µV  
µV  
µV  
Input Offset Voltage Drift  
OPA277P, U (high grade, single)  
OPA2277P, U (high grade, dual)  
All PA, UA Versions  
dVOS/dT  
TA = –40°C to +85°C  
TA = –40°C to +85°C  
TA = –40°C to +85°C  
±0.1  
±0.1  
±0.15  
±0.25  
µV/°C  
µV/°C  
µV/°C  
±0.15  
Input Offset Voltage: (all models)  
vs Time  
vs Power Supply  
TA = –40°C to +85°C  
Channel Separation (dual, quad)  
0.2  
±0.3  
µV/mo  
µV/V  
µV/V  
µV/V  
PSRR  
VS = ±2V to ±18V  
VS = ±2V to ±18V  
dc  
±0.5  
±0.5  
±1  
±1  
0.1  
INPUT BIAS CURRENT  
Input Bias Current  
TA = –40°C to +85°C  
Input Offset Current  
TA = –40°C to +85°C  
IB  
±0.5  
±0.5  
±1  
±2  
±1  
±2  
±2.8  
±4  
±2.8  
nA  
nA  
nA  
nA  
IOS  
±4  
NOISE  
Input Voltage Noise, f = 0.1 to 10Hz  
0.22  
0.035  
12  
8
8
µVp-p  
µVrms  
Input Voltage Noise Density, f = 10Hz en  
nV/Hz  
nV/Hz  
nV/Hz  
nV/Hz  
pA/Hz  
f = 100Hz  
f = 1kHz  
f = 10kHz  
8
0.2  
Current Noise Density, f = 1kHz  
in  
INPUT VOLTAGE RANGE  
Common-Mode Voltage Range  
Common-Mode Rejection  
TA = –40°C to +85°C  
VCM  
CMRR  
(V–) +2  
130  
128  
(V+) –2  
115  
115  
V
dB  
dB  
VCM = (V–) +2V to (V+) –2V  
VCM = (V–) +2V to (V+) –2V  
140  
INPUT IMPEDANCE  
Differential  
Common-Mode  
100 || 3  
250 || 3  
M|| pF  
G|| pF  
VCM = (V–) +2V to (V+) –2V  
OPEN-LOOP GAIN  
Open-Loop Voltage Gain  
AOL VO = (V–)+0.5V to (V+)–1.2V, RL = 10k  
VO = (V–)+0.5V to (V+)–1.5V, RL = 2kΩ  
VO = (V–)+0.5V to (V+)–1.5V, RL = 2kΩ  
140  
134  
dB  
dB  
dB  
126  
126  
TA = –40°C to +85°C  
FREQUENCY RESPONSE  
Gain-Bandwidth Product  
Slew Rate  
Settling Time, 0.1%  
0.01%  
GBW  
SR  
1
0.8  
14  
16  
3
MHz  
V/µs  
µs  
µs  
µs  
VS = ±15V, G = 1, 10V Step  
VS = ±15V, G = 1, 10V Step  
VIN • G = VS  
Overload Recovery Time  
Total Harmonic Distortion + Noise THD+N  
1kHz, G = 1, VO = 3.5Vrms  
0.002  
%
OUTPUT  
Voltage Output  
TA = –40°C to +85°C  
VO  
RL = 10kΩ  
RL = 10kΩ  
RL = 2kΩ  
RL = 2kΩ  
(V–) +0.5  
(V–) +0.5  
(V–) +1.5  
(V–) +1.5  
(V+) –1.2  
(V+) –1.2  
(V+) –1.5  
(V+) –1.5  
V
V
V
V
mA  
TA = –40°C to +85°C  
Short-Circuit Current  
Capacitive Load Drive  
ISC  
CLOAD  
±35  
See Typical Curve  
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes  
no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change  
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant  
any BURR-BROWN product for use in life support devices and/or systems.  
®
2
OPA277, 2277, 4277  
SPECIFICATIONS: VS = ±5V to VS = ±15V (CONT)  
At TA = +25°C, and RL = 2k, unless otherwise noted.  
Boldface limits apply over the specified temperature range, –40°C to +85°C.  
OPA277PA, UA  
OPA2277PA, UA  
OPA4277PA, UA  
OPA277P, U  
OPA2277P, U  
PARAMETER  
CONDITION  
MIN  
TYP(1)  
MAX  
MIN  
TYP(1)  
MAX  
UNITS  
POWER SUPPLY  
Specified Voltage Range  
Operating Voltage Range  
Quiescent Current (per amplifier)  
TA = –40°C to +85°C  
VS  
IQ  
±5  
±2  
±15  
±18  
±825  
±900  
V
V
µA  
µA  
IO = 0  
IO = 0  
±790  
TEMPERATURE RANGE  
Specified Range  
Operating Range  
Storage Range  
–40  
–55  
–55  
85  
125  
125  
°C  
°C  
°C  
Thermal Resistance  
SO-8 Surface-Mount  
8-Pin DIP  
14-Pin DIP  
SO-14 Surface-Mount  
θJA  
150  
100  
80  
°C/W  
°C/W  
°C/W  
°C/W  
100  
Specifications same as OPA277P, U.  
NOTE: (1) VS = ±15V.  
ABSOLUTE MAXIMUM RATINGS(1)  
ELECTROSTATIC  
DISCHARGE SENSITIVITY  
This integrated circuit can be damaged by ESD. Burr-Brown  
recommends that all integrated circuits be handled with  
appropriate precautions. Failure to observe proper handling  
and installation procedures can cause damage.  
Supply Voltage .................................................................................... 36V  
Input Voltage .....................................................(V–) –0.7V to (V+) +0.7V  
Output Short-Circuit(2) .............................................................. Continuous  
Operating Temperature .................................................. –55°C to +125°C  
Storage Temperature .....................................................55°C to +125°C  
Junction Temperature ...................................................................... 150°C  
Lead Temperature (soldering, 10s)................................................. 300°C  
NOTE: (1) Stresses above these rating may cause permanent damage.  
Exposure to absolute maximum conditions for extended periods may degrade  
device reliability. (2) Short-circuit to ground, one amplifier per package.  
ESD damage can range from subtle performance degrada-  
tion 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/ORDERING INFORMATION  
OFFSET  
VOLTAGE  
max, µV  
OFFSET  
VOLTAGE DRIFT  
max, µV/°C  
PACKAGE  
DRAWING  
NUMBER(1)  
TEMPERATURE  
RANGE  
ORDERING  
NUMBER(2)  
TRANSPORT  
MEDIA  
PRODUCT  
PACKAGE  
Single  
OPA277PA  
OPA277P  
OPA277UA  
"
±50  
±20  
±50  
"
±20  
"
±1  
±0.15  
±1  
8-Pin DIP  
8-Pin DIP  
SO-8 Surface Mount  
006  
006  
182  
"
182  
"
–40°C to +85°C  
–40°C to +85°C  
–40°C to +85°C  
OPA277PA  
OPA277P  
OPA277UA  
OPA277UA/2K5  
OPA277U  
Rails  
Rails  
Rails  
"
"
"
Tape and Reel  
Rails  
Tape and Reel  
OPA277U  
"
±0.15  
"
SO-8 Surface Mount  
"
–40°C to +85°C  
"
OPA277U/2K5  
Dual  
OPA2277PA  
OPA2277P  
OPA2277UA  
"
OPA2277U  
"
±50  
±25  
±50  
"
±25  
"
±1  
±0.25  
±1  
8-Pin DIP  
8-Pin DIP  
SO-8 Surface Mount  
006  
006  
182  
"
182  
"
–40°C to +85°C  
–40°C to +85°C  
–40°C to +85°C  
OPA2277PA  
OPA2277P  
OPA2277UA  
OPA2277UA/2K5  
OPA2277U  
Rails  
Rails  
Rails  
"
"
"
Tape and Reel  
Rails  
Tape and Reel  
±0.25  
"
SO-8 Surface Mount  
"
–40°C to +85°C  
"
OPA2277U/2K5  
Quad  
OPA4277PA  
OPA4277UA  
"
±50  
±50  
"
±1  
±1  
"
14-Pin DIP  
SO-14 Surface Mount  
"
010  
235  
"
–40°C to +85°C  
–40°C to +85°C  
OPA4277PA  
OPA4277UA  
OPA4277UA/2K5  
Rails  
Rails  
Tape and Reel  
"
NOTE: (1) For detailed drawing and dimension table, please see end of data sheet, or Appendix C of Burr-Brown IC Data Book. (2) Products followed by a slash  
(/) are only available in Tape and Reel in the quantities indicated (e.g. /2K5 indicates 2500 devices per reel). Ordering 2500 pieces of “OPA277UA/2K5” will get  
a single 2500 piece Tape and Reel. For detailed Tape and Reel mechanical information, refer to Appendix B of Burr-Brown IC Data Book.  
®
3
OPA277, 2277, 4277  
TYPICAL PERFORMANCE CURVES  
At TA = +25°C, VS = ±15V, and RL = 2k, unless otherwise noted.  
POWER SUPPLY AND COMMON-MODE  
REJECTION vs FREQUENCY  
OPEN-LOOP GAIN/PHASE  
vs FREQUENCY  
140  
140  
120  
100  
80  
G
CL = 0  
CL = 1500pF  
120  
100  
80  
0
+PSR  
–PSR  
–30  
–60  
–90  
–120  
–150  
–180  
φ
60  
CMR  
60  
40  
40  
20  
20  
0
–20  
0
0.1  
1
10  
100  
1k  
10k  
100k  
1M  
0.1  
1
10  
100  
1k  
10k 100k  
1M  
10M  
Frequency (Hz)  
Frequency (Hz)  
INPUT NOISE AND CURRENT NOISE  
SPECTRAL DENSITY vs FREQUENCY  
INPUT NOISE VOLTAGE vs TIME  
1000  
100  
10  
Noise signal is bandwidth limited to  
lie between 0.1Hz and 10Hz.  
Current Noise  
Voltage Noise  
1
1
10  
100  
1k  
10k  
1sec/div  
Frequency (Hz)  
TOTAL HARMONIC DISTORTION + NOISE  
vs FREQUENCY  
CHANNEL SEPARATION vs FREQUENCY  
1
0.1  
140  
120  
100  
80  
VOUT = 3.5Vrms  
Dual and quad devices. G = 1,  
all channels. Quad measured  
channel A to D or B to C—other  
combinations yield similar or  
improved rejection.  
G = 10, RL = 2k, 10kΩ  
G = 1, RL = 2k, 10kΩ  
0.01  
0.001  
60  
40  
10  
100  
1k  
10k  
100k  
10  
100  
1k  
10k  
100k  
1M  
Frequency (Hz)  
Frequency (Hz)  
®
4
OPA277, 2277, 4277  
TYPICAL PERFORMANCE CURVES (CONT)  
At TA = +25°C, VS = ±15V, and RL = 2k, unless otherwise noted.  
OFFSET VOLTAGE DRIFT  
OFFSET VOLTAGE PRODUCTION DISTRIBUTION  
PRODUCTION DISTRIBUTION  
16  
14  
12  
10  
8
35  
30  
25  
20  
15  
10  
5
Typical distribution  
of packaged units.  
Single, dual, and  
quad included.  
Typical distribution  
of packaged units.  
Single, dual, and  
quad included.  
6
4
2
0
0
–50–45–40–35–30–25–20–15–10 –5  
0
5 10 15 20 25 30 35 40 45 50  
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0  
Offset Voltage (µV/°C)  
Offset Voltage (µV)  
WARM-UP OFFSET VOLTAGE DRIFT  
AOL, CMR, PSR vs TEMPERATURE  
3
160  
150  
140  
130  
120  
110  
100  
2
1
CMR  
AOL  
0
PSR  
–1  
–2  
–3  
0
15  
30  
45  
60  
75  
90  
105  
120  
–75  
–50  
–25  
0
25  
50  
75  
100  
125  
Time from Power Supply Turn-On (s)  
Temperature (°C)  
QUIESCENT CURRENT AND  
SHORT-CIRCUIT CURRENT vs TEMPERATURE  
INPUT BIAS CURRENT vs TEMPERATURE  
5
4
100  
1000  
950  
900  
850  
800  
750  
700  
650  
600  
550  
500  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
3
2
±IQ  
1
0
–ISC  
+ISC  
–1  
–2  
–3  
–4  
–5  
Curves represent typical  
production units.  
–75  
–50  
–25  
0
25  
50  
75  
100  
125  
–75  
–50  
–25  
0
25  
50  
75  
100  
125  
Temperature (°C)  
Temperature (°C)  
®
5
OPA277, 2277, 4277  
TYPICAL PERFORMANCE CURVES (CONT)  
At TA = +25°C, VS = ±15V, and RL = 2k, unless otherwise noted.  
CHANGE IN INPUT BIAS CURRENT  
vs POWER SUPPLY VOLTAGE  
CHANGE IN INPUT BIAS CURRENT  
vs COMMON-MODE VOLTAGE  
2.0  
1.5  
2.0  
1.5  
Curve shows normalized change in bias current  
with respect to VCM = 0V. Typical IB may range  
from –05.nA to +0.5nA at VCM = 0V.  
Curve shows normalized change in  
bias current with respect to VS = ±10V  
(+20V). Typical IB may range from  
–0.5nA to +0.5nA at VS = ±10V.  
1.0  
1.0  
VS = ±5V  
0.5  
0.5  
0.0  
0.0  
VCM = 0V  
–0.5  
–1.0  
–1.5  
–2.0  
–0.5  
–1.0  
–1.5  
–2.0  
VS = ±15V  
0
5
10  
15  
20  
25  
30  
35  
40  
–15  
±1  
0
–10  
–5  
0
5
10  
15  
Supply Voltage (V)  
Common-Mode Voltage (V)  
QUIESCENT CURRENT vs SUPPLY VOLTAGE  
per amplifier  
SETTLING TIME vs CLOSED-LOOP GAIN  
1000  
900  
800  
700  
600  
500  
100  
50  
10V step  
CL = 1500pF  
0.01%  
0.1%  
20  
10  
0
±5  
±10  
±15  
±20  
±10  
±100  
Supply Voltage (V)  
Gain (V/V)  
MAXIMUM OUTPUT VOLTAGE  
vs FREQUENCY  
OUTPUT VOLTAGE SWING vs OUTPUT CURRENT  
–55°C  
(V+)  
(V+) – 1  
(V+) – 2  
(V+) – 3  
(V+) – 4  
(V+) – 5  
30  
25  
20  
15  
10  
5
VS = ±15V  
125°C  
25°C  
25°C  
(V–) + 5  
(V–) + 4  
(V–) + 3  
(V–) + 2  
(V–) + 1  
(V–)  
125°C  
VS = ±5V  
–55°C  
0
1k  
10k  
100k  
1M  
±5  
±10  
±15  
±20  
±25  
±30  
Frequency (Hz)  
Output Current (mA)  
®
6
OPA277, 2277, 4277  
TYPICAL PERFORMANCE CURVES (CONT)  
At TA = +25°C, VS = ±15V, and RL = 2k, unless otherwise noted.  
LARGE-SIGNAL STEP RESPONSE  
SMALL-SIGNAL OVERSHOOT  
G = +1, CL = 1500pF, VS = ±15V  
vs LOAD CAPACITANCE  
60  
Gain = –1  
50  
40  
Gain = +1  
30  
20  
Gain = ±10  
10  
0
10  
100  
1k  
10k  
100k  
10µs/div  
Load Capacitance (pF)  
SMALL-SIGNAL STEP RESPONSE  
SMALL-SIGNAL STEP RESPONSE  
G = +1, CL = 0, VS = ±15V  
G = +1, CL = 1500pF, VS = ±15V  
1µs/div  
1µs/div  
®
7
OPA277, 2277, 4277  
connecting a potentiometer as shown in Figure 1. This  
adjustment should be used only to null the offset of the op  
amp. This adjustment should not be used to compensate for  
offsets created elsewhere in a system since this can intro-  
duce additional temperature drift.  
APPLICATIONS INFORMATION  
The OPA277 series is unity-gain stable and free from unex-  
pected output phase reversal, making it easy to use in a wide  
range of applications. Applications with noisy or high im-  
pedance power supplies may require decoupling capacitors  
close to the device pins. In most cases 0.1µF capacitors are  
adequate.  
V+  
Trim Range: Exceeds  
Offset Voltage Specification  
0.1µF  
The OPA277 series has very low offset voltage and drift. To  
achieve highest performance, circuit layout and mechanical  
conditions should be optimized. Offset voltage and drift can  
be degraded by small thermoelectric potentials at the op amp  
inputs. Connections of dissimilar metals will generate ther-  
mal potential which can degrade the ultimate performance of  
the OPA277 series. These thermal potentials can be made to  
cancel by assuring that they are equal in both input termi-  
nals.  
20k  
7
1
2
8
OPA277  
6
3
OPA277 single op amp only.  
Use offset adjust pins only to null  
4
0.1µF  
offset voltage of op amp—see text.  
V–  
• Keep thermal mass of the connections made to the two  
input terminals similar.  
FIGURE 1. OPA277 Offset Voltage Trim Circuit.  
• Locate heat sources as far as possible from the critical  
input circuitry.  
INPUT PROTECTION  
The inputs of the OPA277 series are protected with 1kΩ  
series input resistors and diode clamps. The inputs can  
withstand ±30V differential inputs without damage. The  
protection diodes will, of course, conduct current when the  
inputs are over-driven. This may disturb the slewing behav-  
ior of unity-gain follower applications, but will not damage  
the op amp.  
• Shield op amp and input circuitry from air currents such as  
cooling fans.  
OPERATING VOLTAGE  
OPA277 series op amp operate from ±2V to ±18V supplies  
with excellent performance. Unlike most op amps which are  
specified at only one supply voltage, the OPA277 series is  
specified for real-world applications; a single limit applies  
over the ±5V to ±15V supply range. This allows a customer  
operating at VS = ±10V to have the same assured perfor-  
mance as a customer using ±15V supplies. In addition, key  
parameters are guaranteed over the specified temperature  
range, –40°C to +85°C. Most behavior remains unchanged  
through the full operating voltage range (±2V to ±18V).  
Parameters which vary significantly with operating voltage  
or temperature are shown in typical performance curves.  
INPUT BIAS CURRENT CANCELLATION  
The input stage base current of the OPA277 series is inter-  
nally compensated with an equal and opposite cancellation  
circuit. The resulting input bias current is the difference  
between the input stage base current and the cancellation  
current. This residual input bias current can be positive or  
negative.  
When the bias current is canceled in this manner, the input  
bias current and input offset current are approximately the  
same magnitude. As a result, it is not necessary to use a bias  
current cancellation resistor as is often done with other op  
amps (Figure 2). A resistor added to cancel input bias  
current errors may actually increase offset voltage and noise.  
OFFSET VOLTAGE ADJUSTMENT  
The OPA277 series is laser-trimmed for very low offset  
voltage and drift so most circuits will not require external  
adjustment. However, offset voltage trim connections are  
provided on pins 1 and 8. Offset voltage can be adjusted by  
R2  
R2  
R1  
R1  
Op Amp  
OPA277  
RB = R2 || R1  
No bias current  
cancellation resistor  
(see text)  
(a)  
(b)  
Conventional op amp with external bias  
current cancellation resistor.  
OPA277 with no external bias current  
cancellation resistor.  
FIGURE 2. Input Bias Current Cancellation.  
®
8
OPA277, 2277, 4277  
V+  
1/2  
R2  
R1  
VOUT = (V1 – V2)(1 +  
)
OPA2277  
R2  
V–  
V+  
R–R  
R+R  
R+R  
V2  
R1  
Load  
Cell  
V1  
1/2  
R–R  
OPA2277  
V–  
R1  
R2  
For integrated solution see: INA126, INA2126 (dual)  
INA125 (on-board reference)  
INA122 (single-supply)  
FIGURE 3. Load Cell Amplifier.  
IREG 1mA  
5V  
12  
1
V+  
VLIN  
VI+N  
14  
IR1  
1/2  
13  
11  
VREG  
IR2  
10  
V+  
OPA2277  
Type J  
RF  
10k  
4
RG  
RG  
1250Ω  
9
8
B
E
R
412Ω  
XTR105  
RF  
10kΩ  
3
RG  
VIN  
IO  
1/2  
OPA2277  
2
7
1kΩ  
25Ω  
IRET  
IO = 4mA + (VI+N – VIN  
)
40  
RG  
V–  
6
50Ω  
RCM = 1250Ω  
2RF  
R
(G = 1 +  
= 50)  
0.01µF  
FIGURE 4. Thermocouple Low Offset, Low Drift Loop Measurement with Diode Cold Junction Compensation.  
®
9
OPA277, 2277, 4277  
配单直通车
OPA4277UA产品参数
型号:OPA4277UA
是否Rohs认证:不符合
生命周期:Transferred
IHS 制造商:BURR-BROWN CORP
包装说明:SO-14
Reach Compliance Code:unknown
风险等级:5.72
Is Samacsys:N
放大器类型:OPERATIONAL AMPLIFIER
架构:VOLTAGE-FEEDBACK
最大平均偏置电流 (IIB):0.004 µA
25C 时的最大偏置电流 (IIB):0.0028 µA
标称共模抑制比:140 dB
频率补偿:YES
最大输入失调电压:100 µV
JESD-30 代码:R-PDSO-G14
JESD-609代码:e0
低-失调:YES
微功率:YES
负供电电压上限:-18 V
标称负供电电压 (Vsup):-15 V
功能数量:4
端子数量:14
最高工作温度:85 °C
最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY
封装代码:SOP
封装等效代码:SOP14,.25
封装形状:RECTANGULAR
封装形式:SMALL OUTLINE
电源:+-5/+-15 V
认证状态:Not Qualified
标称压摆率:0.8 V/us
子类别:Operational Amplifier
最大压摆率:3.6 mA
供电电压上限:18 V
标称供电电压 (Vsup):15 V
表面贴装:YES
技术:BIPOLAR
温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING
端子节距:1.27 mm
端子位置:DUAL
标称均一增益带宽:1000 kHz
最小电压增益:1995000
Base Number Matches:1
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