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Description:Dual High Speed, Implanted BiFET Op Amp
Manufacturer:Analog Devices
Datasheet:PDF (255K).
Click here to download *)

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. The AD644 offers matched bias currents that are significantly lower than currently available monolithic dual BiFET operational amplifiers: 35 pA max, matched to 25 pA for the AD644K and L, 75 pA max matched to 35 pA for the AD644J and S. In addition, the offset voltage is laser trimmed to less than 0.5 mV, and matched to 0.25 mV for the AD644L, 1.0 mV and matched to 0.5 mV for the AD644K, utilizing Analog Devices' laser-wafer trimming (LWT) process.

Click here to download AD644S Datasheet
Click here to download AD644S Datasheet
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