The AD822 is a dual precision, low power FET input op ampthat can operate from a single supply of 5 V to 30 V or dual supplies of ±2.5 V to ±15 V. It has true single-supply capability with an input voltage range extending below the negative rail, allowing the AD822 to accommodate input signals belowground in the single-supply mode. Output voltage swing extends to within 10 mV of each rail, providing the maximumoutput dynamic range.Offset voltage of 800 μV maximum, offset voltage drift of 2 μV/°C, input bias currents below 25 pA, and low input voltage noise provide dc precision with source impedances up to a gigaohm. The 1.8 MHz unity-gain bandwidth, –93 dB THD at 10 kHz,and 3 V/μs slew rate are provided with a low supply current of 800 μA per amplifier.Applications Battery-powered precision instrumentation Photodiode preamps Active filters 12-bit to 14-bit data acquisition systems Medical instrumentation Low power references and regulatorsThe AD822-EP supports defense and aerospace applications (AQEC standard)

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