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Description:Dual Precision, Low Power BiFET Op Amp
Manufacturer:Analog Devices
Datasheet:PDF (335K).
Click here to download *)

The AD648 is a matched pair of low power, precision monolithic operational amplifiers. It offers both low bias current (10 pA max, warmed up) and low quiescent current (400 A max) and is fabricated with ion-implanted FET and laser wafer trimming technologies. Input bias current is guaranteed over the AD648's entire common-mode voltage range. The economical J grade has a maximum guaranteed offset voltage of less than 2 mV and an offset voltage drift of less than 20 V/C. The C grade reduces offset voltage to less than 0.30 mV and offset voltage drift to less than 3 V/C. This level of dc precision is achieved utilizing Analog's laser wafer drift trimming process. The combination of low quiescent current and low offset voltage drift minimizes changes in input offset voltage due to self-heating effects. Five additional grades are offered over the commercial, industrial and military temperature ranges.

Click here to download AD648S Datasheet
Click here to download AD648S Datasheet
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