AD644 Overview
Dual High Speed, Implanted BiFET Op Amp AD644 +V AMPLIFIER NO. 2 INVERTING INPUT NONINVERTING INPUT INVERTING INPUT NONINVERTING INPUT V NOTE: PIN 4 CONNECTED TO CASE The AD644 is a pair of matched high speed monolithic FET input operational amplifiers fabricated with the most advanced bipolar, JFET and laser-trimming technologies.