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OP1177AR-REEL7

更新时间： 2024-11-21 03:44:55
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亚德诺 - ADI 运算放大器放大器电路光电二极管
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24页 494K
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Precision Low Noise, Low Input Bias Current Operational Amplifiers

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OP1177AR-REEL7 数据手册

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Precision Low Noise, Low Input  
Bias Current Operational Amplifiers  
OP1177/OP2177/OP4177  
FEATURES  
PIN CONFIGURATIONS  
Low offset voltage: 60 μV maximum  
Very low offset voltage drift: 0.7 μV/°C maximum  
Low input bias current: 2 nA maximum  
Low noise: 8 nV/√Hz typical  
NC  
–IN  
+IN  
V–  
NC  
V+  
1
2
3
4
8
7
6
5
OP1177  
1
8
NC  
–IN  
+IN  
V–  
NC  
V+  
OUT  
NC  
OUT  
NC  
OP1177  
4
5
CMRR, PSRR, and AVO > 120 dB minimum  
Low supply current: 400 μA per amplifier  
Dual supply operation: 2.ꢀ V to 1ꢀ V  
Unity-gain stable  
No phase reversal  
Inputs internally protected beyond supply voltage  
NC = NO CONNECT  
NC = NO CONNECT  
Figure 1. 8-Lead MSOP (RM Suffix)  
Figure 2. 8-Lead SOIC_N (R Suffix)  
OUT A  
–IN A  
+IN A  
V–  
V+  
1
2
3
4
8
7
6
5
OUT B  
–IN B  
+IN B  
OP2177  
1
8
OUT A  
–IN A  
+IN A  
V–  
V+  
OUT B  
–IN B  
+IN B  
OP2177  
4
5
APPLICATIONS  
Figure 3. 8-Lead MSOP (RM Suffix)  
Figure 4. 8-Lead SOIC_N (R Suffix)  
Wireless base station control circuits  
Optical network control circuits  
Instrumentation  
Sensors and controls  
Thermocouples  
OUT A  
1
2
OUT D  
–IN D  
14  
13  
–IN A  
+IN A  
V+  
+IN D  
V–  
3
4
12  
11  
OP4177  
OUT A  
OUT D  
–IN D  
+IN D  
V–  
+IN C  
–IN C  
OUT C  
1
7
14  
Resistor thermal detectors (RTDs)  
Strain bridges  
Shunt current measurements  
Precision filters  
–IN A  
+IN A  
V+  
+IN B  
–IN B  
+IN C  
–IN C  
OUT C  
+IN B  
–IN B  
5
6
7
10  
9
OP4177  
8
OUT B  
8
OUT B  
Figure 5. 14-Lead SOIC_N (R Suffix)  
Figure 6. 14-Lead TSSOP (RU Suffix)  
GENERAL DESCRIPTION  
performance in the SOIC package. MSOP and TSSOP are  
available in tape and reel only.  
The OPx177 family consists of very high precision, single, dual,  
and quad amplifiers featuring extremely low offset voltage and  
drift, low input bias current, low noise, and low power consump-  
tion. Outputs are stable with capacitive loads of over 1000 pF  
with no external compensation. Supply current is less than 500 μA  
per amplifier at 30 V. Internal 500 Ω series resistors protect the  
inputs, allowing input signal levels several volts beyond either  
supply without phase reversal.  
The OPx177 family offers the widest specified temperature  
range of any high precision amplifier in surface-mount packaging.  
All versions are fully specified for operation from −40°C to  
+125°C for the most demanding operating environments.  
Applications for these amplifiers include precision diode  
power measurement, voltage and current level setting, and  
level detection in optical and wireless transmission systems.  
Additional applications include line-powered and portable  
instrumentation and controls—thermocouple, RTD, strain-  
bridge, and other sensor signal conditioning—and precision filters.  
Unlike previous high voltage amplifiers with very low offset  
voltages, the OP1177 (single) and OP2177 (dual) amplifiers  
are available in tiny 8-lead surface-mount MSOP and 8-lead  
narrow SOIC packages. The OP4177 (quad) is available in  
TSSOP and 14-lead narrow SOIC packages. Moreover, specified  
performance in the MSOP and the TSSOP is identical to  
Rev. E  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
www.analog.com  
Fax: 781.461.3113 ©2001–2007 Analog Devices, Inc. All rights reserved.  
 
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