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  • OPA2338UA图
  • HECC GROUP CO.,LIMITED

     该会员已使用本站17年以上
  • OPA2338UA 现货库存
  • 数量7500 
  • 厂家TI 
  • 封装 
  • 批号24+ 
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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
  • OPA2338UA 现货库存
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  • 厂家TI/德州仪器 
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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
  • OPA2338UA 现货库存
  • 数量75 
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  • OPA2338UA 热卖库存
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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
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  • 数量3000 
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  • 深圳市晶美隆科技有限公司

     该会员已使用本站15年以上
  • OPA2338UA
  • 数量69800 
  • 厂家TI/德州仪器 
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  • 深圳市赛尔通科技有限公司

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  • OPA2338UA
  • 数量8460 
  • 厂家TI/BB 
  • 封装SOP8 
  • 批号NEW 
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  • 深圳市凯信扬科技有限公司

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  • OPA2338UA
  • 数量5660 
  • 厂家TI/德州仪器 
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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
  • OPA2338UA
  • 数量3000 
  • 厂家TI 
  • 封装SOP8 
  • 批号25+ 
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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
  • OPA2338UA
  • 数量5000 
  • 厂家欧美编号 434 
  • 封装贴/插片 
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  • 深圳市科雨电子有限公司

     该会员已使用本站9年以上
  • OPA2338UA
  • 数量9800 
  • 厂家BB 
  • 封装原厂原装 
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  • 原厂渠道,全新原装现货,欢迎查询!
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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
  • OPA2338UA
  • 数量303 
  • 厂家TI/德州仪器 
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  • 深圳市顺兴源微电子商行

     该会员已使用本站7年以上
  • OPA2338UA
  • 数量6890000 
  • 厂家TI 
  • 封装SOP8 
  • 批号16+ 
  • 原装现货,低价出售
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  • 深圳市华科泰电子商行

     该会员已使用本站13年以上
  • OPA2338UA
  • 数量270 
  • 厂家TI 
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  • 批号2008+ 
  • 绝对原装现货特价
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  • 深圳市集创讯科技有限公司

     该会员已使用本站5年以上
  • OPA2338UA
  • 数量25000 
  • 厂家TI/德州仪器 
  • 封装SOP8 
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  • 深圳市欧立现代科技有限公司

     该会员已使用本站12年以上
  • OPA2338UA
  • 数量9560 
  • 厂家TI 
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  • 批号24+ 
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  • 长荣电子

     该会员已使用本站14年以上
  • OPA2338UA
  • 数量
  • 厂家BB 
  • 封装SOP8 
  • 批号02+ 
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  • 万三科技(深圳)有限公司

     该会员已使用本站2年以上
  • OPA2338UA
  • 数量660000 
  • 厂家Texas Instruments(德州仪器) 
  • 封装8-SOIC (0.154 
  • 批号3.90mm Width) 
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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
  • OPA2338UA
  • 数量13880 
  • 厂家TI/德州仪器 
  • 封装SOIC-8 
  • 批号21+ 
  • 公司只售原装 支持实单
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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
  • OPA2338UA
  • 数量8500 
  • 厂家原厂品牌 
  • 封装原厂封装 
  • 批号新年份 
  • 羿芯诚只做原装长期供,支持实单
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  • 深圳市华宇金电子有限公司

     该会员已使用本站5年以上
  • OPA2338UA/2K5
  • 数量660000 
  • 厂家Texas Instruments(德州仪器) 
  • 封装8-SOIC (0.154, 3.90mm Width) 
  • 批号24+ 
  • 支持实单/只做原装
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  • 深圳市一线半导体有限公司

     该会员已使用本站11年以上
  • OPA2338UA
  • 数量258 
  • 厂家BB 
  • 封装SOP8 
  • 批号 
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  • 万三科技(深圳)有限公司

     该会员已使用本站2年以上
  • OPA2338UA
  • 数量6500000 
  • 厂家N/A 
  • 封装原厂原装 
  • 批号22+ 
  • 万三科技 秉承原装 实单可议
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  • OPA2338UA图
  • 深圳市芯福林电子有限公司

     该会员已使用本站15年以上
  • OPA2338UA
  • 数量85000 
  • 厂家TI/德州仪器 
  • 封装SOP8 
  • 批号23+ 
  • 真实库存全新原装正品!代理此型号
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  • 深圳市创思克科技有限公司

     该会员已使用本站2年以上
  • OPA2338UA
  • 数量8800 
  • 厂家TI/德州仪器 
  • 封装SOP-8 
  • 批号20+ 
  • 全新原装原厂实力挺实单欢迎来撩
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  • 深圳市旺能芯科技有限公司

     该会员已使用本站4年以上
  • OPA2338UA
  • 数量15000 
  • 厂家TI/德州仪器 
  • 封装SOP8 
  • 批号22+ 
  • 深圳全新原装库存现货
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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
  • OPA2338UA
  • 数量5000 
  • 厂家Texas Instruments 
  • 封装8-SOIC 
  • 批号23+ 
  • 进口原装现货热卖
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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
  • OPA2338UA
  • 数量75 
  • 厂家TI 
  • 封装SOIC (D) 
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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
  • OPA2338UA
  • 数量865000 
  • 厂家TI/德州仪器 
  • 封装8-soic 
  • 批号最新批号 
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  • 深圳威尔运电子有限公司

     该会员已使用本站10年以上
  • OPA2338UA
  • 数量150 
  • 厂家N/A 
  • 封装N/A 
  • 批号16+ 
  • 正品原装,假一罚十!
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  • 数量8500 
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     该会员已使用本站17年以上
  • OPA2338UA
  • 数量10000 
  • 厂家TI/德州仪器 
  • 封装8-SOIC 
  • 批号23+ 
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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
  • OPA2338UA
  • 数量7845 
  • 厂家TI(德州仪器) 
  • 封装SOP-8 
  • 批号23+ 
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产品型号OPA2338UA的概述

OPA2338UA芯片概述 OPA2338UA是一款高性能的运算放大器,属于Texas Instruments(TI)旗下的一款注重低功耗、小尺寸以及高精度的器件。该芯片广泛应用于各种电子设备中,包括医疗仪器、消费类电子产品以及工业自动化系统。其设计旨在用于需要高输入阻抗、低噪声以及低失真的应用场合,OPA2338UA能够在多种工作条件下保持出色的稳定性与可靠性,满足现代电子设备对精度和集成度日益增长的需求。 详细参数 OPA2338UA的主要特点包括: 1. 输入偏置电流:该芯片的输入偏置电流非常小,通常在10pA的量级,这使得其在高阻抗应用中表现更佳。 2. 增益带宽积(GBW):OPA2338UA的增益带宽积通常为1MHz,使其在中频和低频信号处理时表现出色。 3. 共模抑制比:该芯片的共模抑制比(CMRR)超过100dB,确保了它在处理不同信号时的高稳定性。 4. 电源电压范围:O...

产品型号OPA2338UA的Datasheet PDF文件预览

®
OPA337  
OPA2337  
OPA338  
OPA337  
OPA2337  
OPA2338  
For most current data sheet and other product  
information, visit www.burr-brown.com  
OPA2338  
MicroSIZE, Single-Supply  
CMOS OPERATIONAL AMPLIFIERS  
MicroAmplifier Series  
FEATURES  
DESCRIPTION  
The OPA337 and OPA338 series rail-to-rail output CMOS  
operational amplifiers are designed for low cost and minia-  
ture applications. Packaged in the new SOT23-8, the  
OPA2337EA and OPA2338EA are Burr-Brown’s smallest  
dual op amps. At 1/4 the size of a conventional SO-8 surface  
mount, they are ideal for space-sensitive applications.  
MicroSIZE PACKAGES:  
SOT23-5  
SOT23-8  
SINGLE-SUPPLY OPERATION  
RAIL-TO-RAIL OUTPUT SWING  
FET-INPUT: IB = 10pA max  
HIGH SPEED:  
OPA337: 3MHz, 1.2V/µs (G = 1)  
OPA338: 12.5MHz, 4.6V/µs (G = 5)  
OPERATION FROM 2.5V to 5.5V  
HIGH OPEN-LOOP GAIN: 120dB  
LOW QUIESCENT CURRENT: 525µA/amp  
SINGLE AND DUAL VERSIONS  
Utilizing advanced CMOS technology, OPA337 and  
OPA338 op amps provide low bias current, high-speed  
operation, high open-loop gain, and rail-to-rail output  
swing. They operate on a single supply with operation as  
low as 2.5V while drawing only 525µA quiescent current.  
In addition, the input common-mode voltage range in-  
cludes ground—ideal for single-supply operation.  
The OPA337 series is unity-gain stable. The OPA338  
series is optimized for gains greater than or equal to five.  
They are easy to use and free from phase inversion and  
overload problems found in some other op amps. Excel-  
lent performance is maintained as the amplifiers swing to  
their specified limits. The dual versions feature completely  
independent circuitry for lowest crosstalk and freedom  
from interaction, even when overdriven or overloaded.  
APPLICATIONS  
BATTERY-POWERED INSTRUMENTS  
PHOTODIODE PRE-AMPS  
MEDICAL INSTRUMENTS  
TEST EQUIPMENT  
G = 1 STABLE  
G 5 STABLE  
SINGLE  
OPA337  
DUAL  
OPA2337  
SINGLE  
OPA338  
DUAL  
OPA2338  
AUDIO SYSTEMS  
DRIVING ADCs  
CONSUMER PRODUCTS  
PACKAGE  
SOT23-5  
SOT23-8  
MSOP-8  
SO-8  
SPICE Model available at www.burr-brown.com  
DIP-8  
OPA337, OPA338  
NC  
NC  
–In  
+In  
V–  
1
2
3
4
8
7
6
5
OPA2337, OPA2338  
OPA337, OPA338  
V+  
Out  
V–  
1
2
3
5
4
V+  
Out A  
1
2
3
4
8
7
6
5
V+  
Output  
NC  
A
–In A  
+In A  
V–  
Out B  
–In B  
+In B  
B
+In  
–In  
8-Pin DIP(1), SO-8, MSOP-8(1)  
SOT23-5  
8-Pin DIP(1), SO-8, SOT23-8  
NOTE: (1) DIP AND MSOP-8 versions for OPA337, OPA2337 only.  
International Airport Industrial Park  
Mailing Address: PO Box 11400, Tucson, AZ 85734  
Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706  
• Tel: (520) 746-1111  
Twx: 910-952-1111 Internet: http://www.burr-brown.com/  
Cable: BBRCORP Telex: 066-6491  
FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132  
PDS-1410D  
© 1997 Burr-Brown Corporation  
Printed in U.S.A. June, 2000  
SPECIFICATIONS: VS = 2.7V to 5.5V  
At TA = +25°C, and RL = 25kconnected to VS/2, unless otherwise noted.  
Boldface limits apply over the specified temperature range, –40°C to +85°C, VS = 5V.  
OPA337NA, EA, UA, PA  
OPA2337EA, UA, PA  
OPA338NA, UA  
OPA2338EA, UA  
PARAMETER  
CONDITION  
MIN  
TYP(1)  
MAX  
UNITS  
OFFSET VOLTAGE  
Input Offset Voltage  
TA = –40°C to +85°C  
VOS  
±0.5  
±3  
±3.5  
mV  
mV  
vs Temperature  
vs Power Supply Rejection Ratio  
TA = –40°C to +85°C  
Channel Separation (dual versions)  
dVOS/dT  
PSRR  
±2  
25  
µV/°C  
µV/V  
µV/V  
µV/V  
VS = 2.7V to 5.5V  
VS = 2.7V to 5.5V  
dc  
125  
125  
0.3  
INPUT BIAS CURRENT  
Input Bias Current  
TA = –40°C to +85°C  
Input Offset Current  
IB  
±0.2  
See Typical Curve  
±0.2  
±10  
±10  
pA  
pA  
IOS  
NOISE  
Input Voltage Noise, f = 0.1Hz to 10Hz  
Input Voltage Noise Density, f = 1kHz  
Current Noise Density, f = 1kHz  
6
26  
0.6  
µVp-p  
nV/Hz  
fA/Hz  
en  
in  
INPUT VOLTAGE RANGE  
Common-Mode Voltage Range  
Common-Mode Rejection Ratio  
TA = –40°C to +85°C  
VCM  
CMRR  
TA = –40°C to +85°C  
–0.2V < VCM < (V+) – 1.2V  
–0.2V < VCM < (V+) – 1.2V  
–0.2  
74  
74  
(V+) – 1.2  
V
dB  
dB  
90  
INPUT IMPEDANCE  
Differential  
Common-Mode  
1013 || 2  
1013 || 4  
|| pF  
|| pF  
OPEN-LOOP GAIN  
Open-Loop Voltage Gain  
TA = –40°C to +85°C  
AOL  
RL = 25k, 125mV < VO < (V+) – 125mV  
RL = 25k, 125mV < VO < (V+) – 125mV  
RL = 5k, 500mV < VO < (V+) – 500mV  
RL = 5k, 500mV < VO < (V+) – 500mV  
100  
100  
100  
100  
120  
114  
dB  
dB  
dB  
dB  
TA = –40°C to +85°C  
OPA337 FREQUENCY RESPONSE  
Gain-Bandwidth Product  
Slew Rate  
Settling Time: 0.1%  
0.01%  
GBW  
SR  
VS = 5V, G = 1  
VS = 5V, G = 1  
VS = 5V, 2V Step, CL = 100pF, G = 1  
VS = 5V, 2V Step, CL = 100pF, G = 1  
VIN • G = VS  
3
1.2  
2
2.5  
2
MHz  
V/µs  
µs  
µs  
µs  
Overload Recovery Time  
Total Harmonic Distortion + Noise  
THD+N  
VS = 5V, VO = 3Vp-p, G = 1, f = 1kHz  
0.001  
%
OPA338 FREQUENCY RESPONSE  
Gain-Bandwidth Product  
Slew Rate  
GBW  
SR  
VS = 5V, G = 5  
VS = 5V, G = 5  
VS = 5V, 2V Step, CL = 100pF, G = 5  
VS = 5V, 2V Step, CL = 100pF, G = 5  
VIN • G = VS  
12.5  
4.6  
1.4  
1.9  
0.5  
MHz  
V/µs  
µs  
µs  
µs  
Settling Time: 0.1%  
0.01%  
Overload Recovery Time  
Total Harmonic Distortion + Noise  
THD+N  
VS = 5V, VO = 3Vp-p, G = 5, f = 1kHz  
0.0035  
%
OUTPUT  
Voltage Output Swing from Rail(2)  
TA = –40°C to +85°C  
RL = 25kΩ, AOL 100dB  
RL = 25kΩ, AOL 100dB  
RL = 5kΩ, AOL 100dB  
RL = 5kΩ, AOL 100dB  
40  
125  
125  
500  
500  
mV  
mV  
mV  
mV  
mA  
150  
TA = –40°C to +85°C  
Short-Circuit Current  
Capacitive Load Drive  
ISC  
CLOAD  
±9  
See Typical Curve  
POWER SUPPLY  
Specified Voltage Range  
Minimum Operating Voltage  
Quiescent Current (per amplifier)  
TA = –40°C to +85°C  
VS  
IQ  
TA = –40°C to +85°C  
2.7  
5.5  
V
V
mA  
mA  
2.5  
0.525  
IO = 0  
IO = 0  
1
1.2  
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.  
®
OPA337, OPA2337  
2
OPA338, OPA2338  
SPECIFICATIONS: VS = 2.7V to 5.5V (Cont.)  
At TA = +25°C, and RL = 25kconnected to VS/2, unless otherwise noted.  
Boldface limits apply over the specified temperature range, –40°C to +85°C, VS = 5V.  
OPA337NA, EA, UA, PA  
OPA2337EA, UA, PA  
OPA338NA, UA  
OPA2338EA, UA  
PARAMETER  
CONDITION  
MIN  
TYP  
MAX  
UNITS  
TEMPERATURE RANGE  
Specified Range  
Operating Range  
Storage Range  
–40  
–55  
–55  
+85  
+125  
+125  
°C  
°C  
°C  
Thermal Resistance  
SOT23-5 Surface Mount  
SOT23-8 Surface Mount  
MSOP-8  
SO-8 Surface Mount  
8-Pin DIP  
θJA  
200  
200  
150  
150  
100  
°C/W  
°C/W  
°C/W  
°C/W  
°C/W  
NOTES: (1) VS = 5V. (2) Output voltage swings are measured between the output and negative and positive power supply rails.  
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 ................................................................................... 5.5V  
Input Voltage(2) ..................................................(V–) –0.5V to (V+) +0.5V  
Input Current(2) ................................................................................. 10mA  
Output Short Circuit(3) .............................................................. 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  
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.  
NOTES: (1) Stresses above these ratings may cause permanent damage.  
Exposure to absolute maximum ratings for extended periods may degrade  
device reliability. (2) Input signal voltage is limited by internal diodes  
connected to power supplies. See text. (3) Short circuit to ground, one  
amplifier per package.  
PACKAGE/ORDERING INFORMATION  
PACKAGE  
DRAWING  
NUMBER  
SPECIFIED  
TEMPERATURE  
RANGE  
PACKAGE  
MARKING  
ORDERING  
NUMBER(1)  
TRANSPORT  
MEDIA  
PRODUCT  
DESCRIPTION  
PACKAGE  
OPA337 Series  
OPA337NA  
Single, G = 1 Stable  
5-Lead SOT23-5  
331  
"
–40°C to +85°C  
C37  
OPA337NA/250  
OPA337NA/3K  
OPA337EA/250  
OPA337EA/2K5  
OPA337PA  
Tape and Reel  
Tape and Reel  
Tape and Reel  
Tape and Reel  
Rails  
"
OPA337EA  
"
OPA337PA  
OPA337UA  
"
"
"
"
"
Single, G = 1 Stable  
"
MSOP-8  
"
337  
"
–40°C to +85°C  
G37  
"
"
Single, G = 1 Stable  
8-Pin DIP  
006  
182  
"
–40°C to +85°C  
–40°C to +85°C  
"
OPA337PA  
OPA337UA  
"
Single, G = 1 Stable SO-8 Surface Mount  
OPA337UA  
OPA337UA/2K5  
Rails  
Tape and Reel  
"
"
OPA2337EA  
Dual, G = 1 Stable  
8-Lead SOT23-8  
348  
"
006  
182  
"
–40°C to +85°C  
A7  
"
OPA2337EA/250  
OPA2337EA/3K  
OPA2337PA  
OPA2337UA  
OPA2337UA/2K5  
Tape and Reel  
Tape and Reel  
Rails  
Rails  
Tape and Reel  
"
OPA2337PA  
OPA2337UA  
"
"
"
"
Dual, G = 1 Stable  
8-Pin DIP  
–40°C to +85°C  
–40°C to +85°C  
"
OPA2337PA  
OPA2337UA  
"
Dual, G = 1 Stable SO-8 Surface Mount  
"
"
OPA338 Series  
OPA338NA  
Single, G 5 Stable  
5-Lead SOT23-5  
331  
"
182  
"
–40°C to +85°C  
A38  
OPA338NA/250  
OPA338NA/3K  
OPA338UA  
Tape and Reel  
Tape and Reel  
Rails  
"
OPA338UA  
"
"
"
"
"
Single, G 5 Stable SO-8 Surface Mount  
–40°C to +85°C  
OPA338UA  
"
"
"
"
OPA338UA/2K5  
Tape and Reel  
OPA2338EA  
Dual, G 5 Stable  
8-Lead SOT23-8  
348  
"
182  
"
–40°C to +85°C  
A8  
"
OPA2338EA/250  
OPA2338EA/3K  
OPA2338UA  
Tape and Reel  
Tape and Reel  
Rails  
"
"
"
"
OPA2338UA  
Dual, G 5 Stable SO-8 Surface Mount  
–40°C to +85°C  
OPA2338UA  
"
"
"
"
"
OPA2338UA/2K5  
Tape and Reel  
NOTES: (1) Models with a slash (/) are available only in Tape and Reel in the quantities indicated (e.g., /2K5 indicates 2500 devices per reel). Ordering 2500 pieces  
of “OPA2337UA/2K5” will get a single 2500-piece Tape and Reel.  
®
OPA337, OPA2337  
3
OPA338, OPA2338  
TYPICAL PERFORMANCE CURVES  
At TA = +25°C, VS = +5V, and RL = 25kconnected to VS/2, unless otherwise noted.  
POWER SUPPLY REJECTION RATIO AND  
OPEN-LOOP GAIN/PHASE vs FREQUENCY  
COMMON-MODE REJECTION RATIO vs FREQUENCY  
0
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
160  
OPA337  
OPA338  
+PSRR  
–PSRR  
140  
–45  
120  
100  
φ
–90  
80  
60  
40  
G
CMRR  
–135  
20  
–180  
0
–20  
1
10  
100  
1k  
10k  
100k  
1M  
10M  
1
10  
100  
1k  
10k  
100k  
1M  
10M  
Frequency (Hz)  
Frequency (Hz)  
INPUT VOLTAGE AND CURRENT NOISE  
SPECTRAL DENSITY vs FREQUENCY  
CHANNEL SEPARATION vs FREQUENCY  
1k  
1k  
100  
10  
140  
130  
120  
110  
100  
90  
Voltage Noise  
100  
10  
1
1
Dual Versions  
Current Noise  
0.1  
0.1  
80  
1
10  
100  
1k  
10k  
100k  
1M  
100  
1k  
10k  
100k  
1M  
Frequency (Hz)  
Frequency (Hz)  
INPUT BIAS CURRENT  
vs INPUT COMMON-MODE VOLTAGE  
INPUT BIAS CURRENT vs TEMPERATURE  
100  
10  
0.5  
0.4  
0.3  
0.2  
0.1  
0
1
0.1  
0.01  
–0.1  
–75  
–50  
–25  
0
25  
50  
75  
100  
125  
–1  
0
1
2
3
4
5
Temperature (°C)  
Common-Mode Voltage (V)  
®
OPA337, OPA2337  
OPA338, OPA2338  
4
TYPICAL PERFORMANCE CURVES (Cont.)  
At TA = +25°C, VS = +5V, and RL = 25kconnected to VS/2, unless otherwise noted.  
QUIESCENT CURRENT AND SHORT-CIRCUIT CURRENT  
AOL, CMRR, PSRR vs TEMPERATURE  
vs TEMPERATURE  
12  
11  
10  
9
600  
550  
500  
450  
400  
350  
300  
140  
130  
120  
110  
100  
90  
130  
120  
110  
100  
90  
IQ  
AOL  
–ISC  
PSRR  
+ISC  
8
7
80  
CMRR  
6
80  
70  
–75  
–50  
–25  
0
25  
50  
75  
100  
125  
–75  
–50  
–25  
0
25  
50  
75  
100  
125  
Temperature (°C)  
Temperature (°C)  
QUIESCENT AND SHORT-CIRCUIT CURRENT  
vs SUPPLY VOLTAGE  
MAXIMUM OUTPUT VOLTAGE vs FREQUENCY  
6
5
4
3
2
1
0
700  
650  
600  
550  
500  
450  
400  
±12  
±10  
±8  
±6  
±4  
±2  
0
Maximum output  
voltage without slew  
rate-induced distortion.  
OPA338  
+ISC  
OPA337  
–ISC  
IQ  
10k  
100k  
1M  
10M  
100M  
2.5  
3.0  
3.5  
4.0  
4.5  
5.0  
5.5  
Frequency (Hz)  
Supply Voltage (V)  
TOTAL HARMONIC DISTORTION + NOISE  
vs FREQUENCY  
OUTPUT VOLTAGE SWING vs OUTPUT CURRENT  
2.5  
2.0  
0.1  
0.01  
VS = ±2.5V  
RL Tied to Ground  
1.5  
Sourcing  
–55°C  
1.0  
G = +10, RL = 5k, 25kΩ  
G = +5, RL = 5k, 25kΩ  
0.5  
25°C  
125°C  
0
RL = 25kΩ  
RL = 5kΩ  
–0.5  
–1.0  
–1.5  
–2.0  
–2.5  
G = +1  
0.001  
0.0001  
–55°C  
VO = 3Vp-p  
Sinking  
OPA337  
OPA338  
0
±1  
±2  
±3  
±4  
±5  
±6  
±7  
±8  
20  
100  
1k  
Frequency (Hz)  
10k 20k  
Output Current (mA)  
®
OPA337, OPA2337  
OPA338, OPA2338  
5
TYPICAL PERFORMANCE CURVES (Cont.)  
At TA = +25°C, VS = +5V, and RL = 25kconnected to VS/2, unless otherwise noted.  
OFFSET VOLTAGE  
OFFSET VOLTAGE DRIFT  
PRODUCTION DISTRIBUTION  
PRODUCTION DISTRIBUTION  
25  
20  
15  
10  
5
30  
25  
20  
15  
10  
5
Typical distribution  
of packaged units.  
Typical distribution  
of packaged units  
0
0
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0  
Offset Voltage Drift (µV/°C)  
Offset Voltage (mV)  
SETTLING TIME vs CLOSED-LOOP GAIN  
SMALL-SIGNAL OVERSHOOT vs LOAD CAPACITANCE  
100  
10  
1
60  
50  
40  
30  
20  
10  
0
OPA338  
(G = ±5)  
0.01%  
OPA337  
(G = ±1)  
OPA338  
OPA337  
(G = ±10)  
OPA337  
OPA338  
(G = ±50)  
0.1%  
100  
1
10  
1k  
10  
100  
1k  
10k  
Closed-Loop Gain (V/V)  
Load Capacitance (pF)  
LARGE-SIGNAL STEP RESPONSE  
CL = 100pF, VS = +5V  
SMALL-SIGNAL STEP RESPONSE  
CL = 100pF, VS = +5V  
OPA338  
G = 5  
OPA337  
G = 1  
OPA337  
G = 1  
OPA338  
G = 5  
2µs/div  
1µs/div  
®
OPA337, OPA2337  
OPA338, OPA2338  
6
APPLICATIONS INFORMATION  
+5V  
The OPA337 series and OPA338 series are fabricated on a  
state-of-the-art CMOS process. The OPA337 series is unity-  
gain stable. The OPA338 series is optimized for gains  
greater than or equal to five. Both are suitable for a wide  
range of general purpose applications. Power supply pins  
should be bypassed with 0.01µF ceramic capacitors.  
IOVERLOAD  
10mA max  
OPA337  
VOUT  
VIN  
5kΩ  
FIGURE 2. Input Current Protection for Voltages Exceeding  
the Supply Voltage.  
OPERATING VOLTAGE  
The OPA337 series and OPA338 series can operate from a  
+2.5V to +5.5V single supply with excellent performance.  
Unlike most op amps which are specified at only one supply  
voltage, these op amps are specified for real-world applica-  
tions; a single limit applies throughout the +2.7V to +5.5V  
supply range. This allows a designer to have the same  
assured performance at any supply voltage within the speci-  
fied voltage range. Most behavior remains unchanged  
throughout the full operating voltage range. Parameters  
which vary significantly with operating voltage are shown in  
typical performance curves.  
USING THE OPA338 IN LOW GAINS  
The OPA338 series is optimized for gains greater than or  
equal to five. It has significantly wider bandwidth (12.5MHz)  
and faster slew rate (4.6V/µs) when compared to the OPA337  
series. The OPA338 series can be used in lower gain con-  
figurations at low frequencies while maintaining its high  
slew rate with the proper compensation.  
Figure 3 shows the OPA338 in a unity-gain buffer configu-  
ration. At dc, the compensation capacitor C1 is effectively  
“open” resulting in 100% feedback (closed-loop gain = 1).  
As frequency increases, C1 becomes lower impedance and  
closed-loop gain increases, eventually becoming 1 + R2/R1  
(in this case five, which is equal to the minimum gain  
required for stability).  
OPA337, VIN = ±3V Greater Than VS = ±2.5V  
VOUT, G = –1  
(not limited by  
3V  
input common-  
mode range.)  
The required compensation capacitor value can be deter-  
mined from the following equation:  
C1 = 1/(2πfCR1)  
0
Since fC may shift with process variations, it is recom-  
mended that a value less than fC be used for determining C1.  
With fC = 1MHz and R1 = 2.5k, the compensation capaci-  
tor is about 68pF.  
G = ±1  
VOUT, G = +1  
(limited by input  
common-mode  
range)  
–3V  
The selection of the compensation capacitor C1 is important.  
A proper value ensures that the closed-loop circuit gain is  
greater than or equal to five at high frequencies. Referring to  
the “Open-Loop Gain vs Frequency” plot in the Typical  
Performance Curves section, the OPA338 gain line (dashed  
in the curve) has a constant slope (–20dB/decade) up to  
approximately 3MHz. This frequency is referred to as fC.  
Beyond fC the slope of the curve increases, suggesting that  
closed-loop gains less than 5 are not appropriate.  
FIGURE 1. OPA337—No Phase Inversion with Inputs  
Greater than the Power Supply Voltage.  
INPUT VOLTAGE  
The input common-mode range extends from (V–) – 0.2V to  
(V+) – 1.2V. For normal operation, inputs should be  
limited to this range. The absolute maximum input voltage  
is 500mV beyond the supplies. Inputs greater than the  
input common-mode range but less than maximum input  
voltage, while not valid, will not cause any damage to the  
op amp. Furthermore, if input current is limited the inputs  
may go beyond the power supplies without phase inver-  
sion (Figure 1) unlike some other op amps.  
Improved slew rate (4.6V/µs) versus  
R2  
OPA337 (1.2V/µs) in unity gain.  
10kΩ  
R1  
2.5kΩ  
C1  
68pF  
OPA338  
VOUT  
Normally, input currents are 0.2pA. However, large inputs  
(greater than 500mV beyond the supply rails) can cause  
excessive current to flow in or out of the input pins.  
Therefore, as well as keeping the input voltage below the  
maximum rating, it is also important to limit the input  
current to less than 10mA. This is easily accomplished  
with an input resistor as shown in Figure 2.  
VIN  
1
C1 =  
2πfCR1  
Where fC is the frequency at which closed-loop  
gains less than five are not appropriate—see text.  
FIGURE 3. Compensation of OPA338 for Unity-Gain Buffer.  
®
OPA337, OPA2337  
OPA338, OPA2338  
7
Figure 4 shows a compensation technique using an inverting  
configuration. The low frequency gain is set by the resistor  
ratio while the high frequency gain is set by the capacitor  
ratio. As with the noninverting circuit, for frequencies above  
fC the gain must be greater than the recommended minimum  
stable gain for the op amp.  
The capacitor values shown are the nearest standard values.  
Capacitor values may need to be adjusted slightly to opti-  
mize performance. For more detailed information, consult  
the OPA686 product data sheet.  
Figure 5 shows the large-signal transient response using the  
circuit given in Figure 4. As shown, the OPA338 is stable in  
low gain applications and provides improved slew rate  
performance when compared to the OPA337.  
C2  
15pF  
Improved slew rate versus OPA337  
(see Figure 5).  
R1  
R2  
5kΩ  
10kΩ  
OPA338  
VIN  
C1  
150pF  
OPA338  
VOUT  
OPA337  
1
C2  
=
, C1 = (GH –1) • C2  
2πfCR2  
2µs/div  
Where GH is the high frequency gain,  
GH = 1 + C1/C2  
FIGURE 5. G = 2, Slew-Rate Comparison of OPA338 and  
OPA337.  
FIGURE 4. Inverting Compensation Circuit of OPA338 for  
Low Gain.  
TYPICAL APPLICATION  
Figure 6 shows the OPA2337 in a typical application. The  
ADS7822 is a 12-bit, micro-power sampling analog-to-  
digital converter available in the tiny MSOP-8 package. As  
with the OPA2337, it operates with a supply voltage as  
low as +2.7V. When used with the miniature SOT23-8  
package of the OPA2337, the circuit is ideal for space-  
limited and low power applications. In addition, OPA2337’s  
high input impedance allows large value resistors to be  
used which results in small physical capacitors, further  
reducing circuit size. For further information, consult the  
ADS7822 product data sheet.  
Resistors R1 and R2 are chosen to set the desired dc signal  
gain. Then the value for C2 is determined as follows:  
C2 = 1/(2πfCR2)  
C1 is determined from the desired high frequency gain (GH):  
C1 = (GH – 1) • C2  
For a desired dc gain of 2 and high frequency gain of 10, the  
following resistor and capacitor values result:  
R1 = 10kΩ  
R2 = 5kΩ  
C1 = 150pF  
C2 = 15pF  
®
OPA337, OPA2337  
OPA338, OPA2338  
8
Passband 300Hz to 3kHz  
V+ = +2.7V to 5V  
R9  
510kΩ  
R4  
R1  
R2  
20kΩ  
1.5kΩ  
1MΩ  
C3  
C1  
R7  
R8  
V+  
8
51kΩ  
150kΩ  
VREF  
1
33pF  
1000pF  
1/2  
DCLOCK  
OPA2337E  
7
1/2  
OPA2337E  
R3  
1MΩ  
DOUT  
Electret  
Microphone(1)  
+IN  
2
–IN  
ADS7822  
12-Bit A/D  
Serial  
Interface  
R6  
100kΩ  
6
5
C2  
1000pF  
CS/SHDN  
3
GND 4  
NOTE: (1) Electret microphone  
with internal transistor (FET)  
powered by R1.  
R5  
20kΩ  
G = 100  
FIGURE 6. Low Power, Single-Supply, Speech Bandpass Filtered Data Acquisition System.  
SOT23-8  
(Package Drawing #348)  
SOT23-5  
(Package Drawing #331)  
0.075  
(1.905)  
0.027  
(0.686)  
0.0375  
0.0375  
(0.9525)  
(0.9525)  
0.026  
(0.66)  
0.018  
(0.457)  
Refer to end of data sheet or Appendix C of Burr-Brown IC Data Book for  
tolerances and detailed package drawing. For further information on solder  
pads for surface-mount packages, consult Application Bulletin AB-132.  
FIGURE 7. Recommended SOT23-5 and SOT23-8 Solder Footprints.  
®
OPA337, OPA2337  
OPA338, OPA2338  
9
配单直通车
OPA2338UA产品参数
型号:OPA2338UA
是否Rohs认证: 不符合
生命周期:Transferred
包装说明:SO-8
Reach Compliance Code:unknown
风险等级:5.79
放大器类型:OPERATIONAL AMPLIFIER
架构:VOLTAGE-FEEDBACK
最大平均偏置电流 (IIB):0.00001 µA
25C 时的最大偏置电流 (IIB):0.00001 µA
标称共模抑制比:90 dB
频率补偿:YES (AVCL>=5)
最大输入失调电压:3500 µV
JESD-30 代码:R-PDSO-G8
JESD-609代码:e0
低-偏置:YES
低-失调:NO
微功率:NO
功能数量:2
端子数量:8
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:SOP8,.25
封装形状:RECTANGULAR
封装形式:SMALL OUTLINE
功率:NO
电源:3/5 V
可编程功率:NO
认证状态:Not Qualified
标称压摆率:1.2 V/us
子类别:Operational Amplifier
最大压摆率:2.4 mA
供电电压上限:5.5 V
标称供电电压 (Vsup):5 V
表面贴装:YES
技术:CMOS
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:12500 kHz
最小电压增益:100000
宽带:NO
Base Number Matches:1
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