The AD8657/AD8659 are dual and quad micropower, precision, rail-to-rail input/output amplifiers optimized for low power and wide operating supply voltage range applications.
The AD8657/AD8659 operates from 2.7 V to 18 V with a typical quiescent supply current of 18 μA. The devices use the Analog Devices, Inc., patented DigiTrim® trimming technique, which achieves low offset voltage. The AD8657/AD8659 also have high immunity to electromagnetic interference.
The combination of low supply current, low offset voltage, very low input bias current, wide supply range, and rail-to-rail input and output make the AD8657/AD8659 ideal for current monitoring in process and motor control applications. The combination of precision specifications makes these devices ideal for dc gain and buffering of sensor front ends or high impedance input sources in wireless or remote sensors or transmitter.
The AD8657/AD8659 is specified over the extended industrial temperature range (−40°C to +125°C). The AD8657 is available in an 8-lead MSOP package and an 8-lead LFCSP package; the AD8659 is available in a 14-lead SOIC package and 16-lead LFCSP package.
|Title||Content Type||File Type|
|AD8657/AD8659: 22 µA, RRIO, CMOS,18 V Operational Amplifiers Data Sheet (Rev B, 08/2012) (pdf, 711 kB)||Data Sheets|
|CN-0181: Precision, 16-Bit, Voltage Level Setting with Less than 5 mW Total Power Dissipation (pdf, 175 kB)||Circuit Note|
|CN-0179: Less Than 200 μA, Low Power, 4 mA-to-20 mA, Process Control Current Loop (pdf, 156 kB)||Circuit Note|
|Op Amp Applications Handbook||Design Handbooks||HTML|
|MT-058: Effects of Feedback Capacitance on VFB and CFB Op Amps (pdf, 66 kB)||Tutorials|
|MT-047: Op Amp Noise (pdf, 72 kB)||Tutorials|
|MS-2212: The Maximum Supply Current That Wasn't (pdf, 241 kB)||Technical Articles|
Amplifiers for Signal Conditioning - Section 3
(PDF, 397 kB)
By Walt Kester, James Bryant, Walt Jung
Avoiding Op-Amp Instability Problems In Single-Supply Applications
(Analog Dialogue, Vol. 35, No. 2, March-May, 2001)
SAR ADC & Driver Quick-Match Guide
(pdf, 251 kB)
Find drivers for ADI's most popular single-ended and differential SAR ADCs based on your specific application conditions.
|Product Selection Guide|
|Amplifier ICs||Solutions Bulletins||HTML|
|RAQs index||Rarely Asked Questions||HTML|
|Glossary of EE Terms||Glossary||HTML|
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This tool will help with the selection, evaluation and troubleshooting of voltage feedback Op-Amps. It uses typical data to model the behavior of a selected amplifier. It allows a user to select an amplifier, configure a circuit, apply a signal and evaluate the performance. It is useful for checking an amplifier's spec's such as Bandwidth, Slew Rate, Input/Output Range, Gain Error, Load Current, Stability Issues and DC Errors in a given circuit.
|ADIsim Design/Simulation Tools||HTML|
|Analog Bridge Wizard||ADIsim Design/Simulation Tools||HTML|
|AD8657 SPICE Macro-Model||SPICE Models||HTML|
The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.