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AD822AN
Online Documentation Design Resources Discussion Sample & Buy Single-Supply, Rail-to-Rail, Low Power, FET-Input Op Amp AD822 Data Sheet FEATURES CONNECTION DIAGRAM 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 ±2.5 V to ±15 V High load drive Capacitive load drive of 350 pF, G = +1 Minimum output current of 15 mA 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 Good dc performance 800 μV maximum input offset voltage 2 μV/°C typical offset voltage drift 25 pA maximum input bias current Low noise 13 nV/√Hz at 10 kHz No phase inversion 8 V+ OUT1 1 –IN1 2 7 OUT2 +IN1 3 6 –IN2 V– 4 AD822 5 +IN2 00874-001 Product Overview Figure 1. 8-Lead PDIP (N Suffix); 8-Lead MSOP (RM Suffix); and 8-Lead SOIC_N (R Suffix) APPLICATIONS Battery-powered precision instrumentation Photodiode preamps Active filters 12-bit to 14-bit data acquisition systems Medical instrumentation Low power references and regulators GENERAL DESCRIPTION Rev. J 10 1 10 100 1k FREQUENCY (Hz) 10k 00874-002 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 total harmonic distortion (THD) at 10 kHz, and 3 V/μs slew rate are provided with a low supply current of 800 μA per amplifier. 100 INPUT VOLTAGE NOISE (nV/√Hz) 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 ±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 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. Figure 2. Input Voltage Noise vs. Frequency Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©1993–2015 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com
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Analog Devices
U.S.A
半導体デバイスを製造するアメリカの多国籍企業。特にADC、DAC、MEMS、DSPなどに強い。現在は 65nm から 3μm のプロセスルールの回路を設計している。
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