The OP-97 is a low-power alternative to the industry-standard OP-07 precision amplifier. The OP-97 maintains the standards of performance set by the OP-07 while utilizing only 600µA supply current, less than 1/6 that of an OP-07. Offset voltage is an ultra-low 25µV, and drift over temperature is below 0.6µV/°C. External offset trimming is not required in the majority of circuits.
Improvements have been made over OP-07 specifications in several areas. Notable is bias current, which remains below 250pA over the full military temperature range. The OP-97 is ideal for use in precision long-term integrators or sample-and-hold circuits that must operate at elevated temperatures.
Common-mode rejection and power-supply rejection are also improved with the OP-97, at 114dB minimum over wider ranges of common-mode or supply voltage. Outstanding PSR, a supply range specified from ±2.25V to ±20V and the OP-97's minimal power requirements combine to make the OP-97 a preferred device for portable and battery-powered instruments.
The OP-97 conforms to the OP-07 pinout, with the null potentimeter connected between pins 1 and 8 with the wiper to V+. The OP-97 will upgrade circuit designs using 725, OP05, OP07, OP12, and 1012 type amplifiers. It may replace 741-type amplifiers in circuits without nullling or where the nulling circuitry has been removed.
|Title||Content Type||File Type|
|OP97: Low Power, High Precision Operational Amplifier Data Sheet (Rev G, 03/2009) (pdf, 611 kB)||Data Sheets|
|OP97: Military Data Sheet (Rev A, 02/2001) (pdf)||Data Sheets|
|AN-649: Using the Analog Devices Active Filter Design Tool (pdf, 5301 kB)||Application Notes|
ADI Warns Against Misuse of COTS Integrated Circuits
(pdf, 13 kB)
Invites Customer Participation in Creative Mil/Aero System Solutions
ECG Front-End Design is Simplified with MicroConverter®
By Enrique Company-Bosch and Eckart Hartmann, Analog Devices, Inc. (Analog Dialogue, Vol 37, November 2003)
Ask The Applications Engineer-25
Op Amps Driving Capacitive Loads
(Analog Dialogue, Vol. 31, No. 2, 1997)
|What do I do with the "null pins" on the amplifier if I don't plan to use them?||FAQs/RAQs||HTML|
|RAQs index||Rarely Asked Questions||HTML|
|Glossary of EE Terms||Glossary||HTML|
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