AD820 Datasheet, Analog Devices

True single-supply operation Output swings rail-to-rail Input voltage range extends below ground Single-supply capability from 5 V to 30 V Dual-supply capability from ±2..

Battery-powered precision instrumentation Photodiode preamps Active filters 12-bit to 14-bit data acquisition systems Me.

The AD820 is a precision, low power FET input op amp that can operate from a single supply of 5 V to 36 V, or dual supplies of ±2.5 V to ±18 V. It has true single-supply capability, with an input voltage range extending below the negative rail, allow.