AD822ARMZ Precision Instrumentation Amplifier 1nA Bias Current 0.3andmu;V/anddeg;C Drift MSOP-8 2.2-18V -40anddeg;C to +125anddeg;C
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FEATURES
True single-supply operation
andnbsp; Output swings rail-to-rail
andnbsp; Input voltage range extends below ground
andnbsp; Single-supply capability from 5 V to 30 V
andnbsp; Dual-supply capability from andplusmn;2.5 V to andplusmn;15 V
High load drive
andnbsp; Capacitive load drive of 350 pF, G = +1
andnbsp; Minimum output current of 15 mA
Excellent ac performance for low power
andnbsp; 800 andmicro;A maximum quiescent current per amplifier
andnbsp; Unity-gain bandwidth: 1.8 MHz
andnbsp; Slew rate of 3 V/andmu;s
Good dc performance
andnbsp; 800 andmicro;V maximum input offset voltage
andnbsp; 2 andmicro;V/anddeg;C typical offset voltage drift
andnbsp; 25 pA maximum input bias current
Low noise
andnbsp; 13 nV/andradic;Hz at 10 kHz
andnbsp; No phase inversion
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APPLICATIONS
Battery-powered precision instrumentation
Photodiode preamps
Active filters
12-bit to 14-bit data acquisition systems
Medical instrumentation
Low power references and regulators
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GENERAL DESCRIPTION
The AD822 is a dual precision, low power FET input op amp that can operate from a single supply of 5 V to 30 V or from dual supplies of andplusmn;2.5 V to andplusmn;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 below ground while 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 andmicro;V maximum, offset voltage drift of 2 andmicro;V/anddeg;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, andndash;93 dB total harmonic distortion (THD) at 10 kHz, and 3 V/andmicro;s slew rate are provided with a low supply current of 800 andmicro;A per amplifier.
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INFORMATION
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| Package / Case | 8-TSSOP, 8-MSOP (0.118andquot;, 3.00mm Width) | |
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AD822ARMZ Precision Instrumentation Amplifier 1nA Bias Current 0.3μV/°C Drift MSOP-8 2.2-18V -40°C to +125°C Images
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