AD822ARZ-REEL7

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1. DESCRIPTION

The AD822ARZ-REEL7 is a dual precision, low power FET input op amp that 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 AD822ARZ-REEL7 to accommodate input signals below ground in the single-supply mode. Output voltage swing extends to within 10 mV of each rail, providing the maximum output 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.

2. FEATURES

    1. True single-supply operation

        - Input voltage range extends below ground

        - Output swings rail-to-rail

        - Single-supply capability from 5 V to 30 V

        - Dual-supply capability from ±2.5 V to ±15 V

    2. High load drive

        - Capacitive load drive of 350 pF, G = +1

        - Minimum output current of 15 mA

    3. Excellent ac performance for low power

        - 800 μA maximum quiescent current per amplifier

        - Unity-gain bandwidth: 1.8 MHz

        - Slew rate of 3 V/μs

    4. Good dc performance

        - 800 μV maximum input offset voltage

        - 2 μV/°C typical offset voltage drift

        - 25 pA maximum input bias current

    5. Low noise

        - 13 nV/√Hz @ 10 kHz

        - No phase inversion

3. ENHANCED PRODUCT FEATURES

    1. Supports defense and aerospace applications (AQEC standard)

    2. Military temperature range (−55°C to +125°C)

    3. Controlled manufacturing baseline

    4. One assembly/test site

    5. One fabrication site

    6. Enhanced product change notification

    7. Qualification data available on request 

4. APPLICATIONS

    1. Photodiode preamps

    2. Active filters

    3. 12-bit to 14-bit data acquisition systems

    4. Low power references and regulators