Ultraprecision Operational Amplifier Data Sheet OP177 FEATURES PIN CONFIGURATION Ultralow offset voltage 1 8 V TRIM V TRIM OS OS OP177 T = 25C, 25 V maximum A IN 2 7 V+ Outstanding offset voltage drift 0.3 V/C maximum +IN 3 6 OUT Excellent open-loop gain and gain linearity TOP VIEW V 4 5 NC (Not to Scale) 12 V/V typical NC = NO CONNECT CMRR: 130 dB minimum Figure 1. 8-Lead PDIP (P-Suffix), PSRR: 115 dB minimum 8-Lead SOIC (S-Suffix) Low supply current 2.0 mA maximum Fits industry-standard precision operational amplifier sockets GENERAL DESCRIPTION The OP177 features one of the highest precision performance of This low noise, bipolar input operational amplifier is also a cost any operational amplifier currently available. Offset voltage of the effective alternative to chopper-stabilized amplifiers. The OP177 OP177 is only 25 V maximum at room temperature. The ultralow provides chopper-type performance without the usual problems V of the OP177 combines with the exceptional offset voltage of high noise, low frequency chopper spikes, large physical size, OS drift (TCVOS) of 0.3 V/C maximum to eliminate the need for limited common-mode input voltage range, and bulky external external VOS adjustment and increases system accuracy over storage capacitors. temperature. The OP177 is offered in the 40C to +85C extended industrial The OP177 open-loop gain of 12 V/V is maintained over the full temperature ranges. This product is available in 8-lead PDIP, as 10 V output range. CMRR of 130 dB minimum, PSRR of 120 dB well as the space saving 8-lead SOIC. minimum, and maximum supply current of 2 mA are just a few examples of the excellent performance of this operational amplifier. The combination of outstanding specifications of the OP177 ensures accurate performance in high closed-loop gain applications. FUNCTIONAL BLOCK DIAGRAM V+ (OPTIONAL NULL) R * R * 2A 2B C 1 R 7 R R 1A 1B Q 2B 19 Q Q 10 9 R 9 Q Q 11 12 Q Q 7 8 Q Q Q Q OUTPUT 5 3 6 4 R C Q 3 C 2 17 3 NONINVERTING Q R 27 10 Q INPUT 16 Q 1 R Q 5 26 Q Q Q 21 20 23 Q 25 Q Q R 22 24 4 INVERTING Q 15 Q 2 INPUT Q 18 Q 14 Q R R 13 6 8 V *R AND R ARE ELECTRONICALLY ADJUSTED ON CHIP AT FACTORY. 2A 2B Figure 2. Simplified Schematic Rev. H Document Feedback 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 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. rights of third parties that may result from its use. Specifications subject to change without notice. No Tel: 781.329.4700 19952016 Analog Devices, Inc. All rights reserved. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. 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Technical Support www.analog.com 00289-001 00289-002OP177 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 Applications Information .................................................................9 Pin Configuration ............................................................................. 1 Gain Linearity ................................................................................9 General Description ......................................................................... 1 Thermocouple Amplifier with Cold-Junction Compensation9 Functional Block Diagram .............................................................. 1 Precision High Gain Differential Amplifier ........................... 10 Revision History ............................................................................... 2 Isolating Large Capacitive Loads .............................................. 10 Specifications ..................................................................................... 3 Bilateral Current Source ............................................................ 10 Electrical Characteristics ............................................................. 3 Precision Absolute Value Amplifier ......................................... 10 Test Circuits ................................................................................... 4 Precision Positive Peak Detector .............................................. 12 Absolute Maximum Ratings ............................................................ 5 Precision Threshold Detector/Amplifier ................................ 12 Thermal Resistance ...................................................................... 5 Outline Dimensions ....................................................................... 13 ESD Caution .................................................................................. 5 Ordering Guide .......................................................................... 14 Typical Performance Characteristics ............................................. 6 REVISION HISTORY 4/16Rev. G to Rev. H 4/06Rev. C to Rev. D Changes to Figure 27 ........................................................................ 9 Change to Pin Configuration Caption ........................................... 1 Changes to Features .......................................................................... 1 9/12Rev. F to Rev. G Change to Table 2 .............................................................................. 4 Changes to Features and General Description Section ............... 1 Change to Figure 2 ............................................................................ 4 Updated Outline Dimensions ....................................................... 13 Changes to Figure 10 and Figure 11 ............................................... 6 Changes to Ordering Guide .......................................................... 14 Changes to Figure 12 through Figure 17 ........................................ 7 Changes to Figure 18 through Figure 22 ........................................ 8 3/09Rev. E to Rev. F Change to Figure 27 ....................................................................... 10 Added Figure 23, Renumbered Sequentially ................................ 8 Changes to Figure 30 and Figure 31 ............................................ 11 Updated Outline Dimensions ....................................................... 13 Updated Outline Dimensions ....................................................... 13 Changes to Ordering Guide .......................................................... 13 5/06Rev. D to Rev. E Changes to Figure 1 .......................................................................... 1 1/05Rev. B to Rev. C Change to Specifications Table 1 .................................................... 3 Edits to Features................................................................................. 1 Changes to Specifications Table 2................................................... 4 Edits to General Description ........................................................... 1 Changes to Table 3 ............................................................................ 5 Edits to Pin Connections .................................................................. 1 Changes to Figure 23 and Figure 24 ............................................... 9 Edits to Electrical Characteristics .............................................. 2, 3 Changes to Figure 32 ...................................................................... 12 Global deletion of references to OP177E ............................ 3, 4, 10 Updated the Ordering Guide ........................................................ 14 Edits to Absolute Maximum Ratings .............................................. 5 Edits to Package Type ....................................................................... 5 Edits to Ordering Guide ................................................................... 5 Edit to Outline Dimensions .......................................................... 11 11/95Rev. 0: Initial Version Rev. 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