High-precision high-impedance instrument OPA2111 amplifier circuit


Posted on Mar 28, 2007

Shown for the high-precision, high-impedance instrument OPA2111 amplifier configuration. Total voltage circuit illustrated magnification Av = 10 (1 + 2R2 / R1) = 1000 times. A gain stage 10 of the differential amplifier circuit is to expand the instrumentation amplifiers input common-mode voltage range of 10V.


High-precision high-impedance instrument OPA2111 amplifier circuit
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