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AD822ACHIPS 数据表(PDF) 1 Page - Analog Devices |
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AD822ACHIPS 数据表(HTML) 1 Page - Analog Devices |
1 / 16 page CONNECTION DIAGRAM 8-Pin Plastic DIP, Cerdip and SOIC OUT1 –IN1 +IN1 V– V+ OUT2 –IN2 +IN2 1 2 3 4 8 7 6 5 AD822 REV. A 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 which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a Single Supply, Rail-to-Rail Low Power FET-Input Op Amp AD822 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 617/329-4700 Fax: 617/326-8703 FEATURES TRUE SINGLE SUPPLY OPERATION Output Swings Rail to Rail Input Voltage Range Extends Below Ground Single Supply Capability from +3 V to +36 V Dual Supply Capability from 1.5 V to 18 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 A Max Quiescent Current per Amplifier Unity Gain Bandwidth: 1.8 MHz Slew Rate of 3.0 V/ s GOOD DC PERFORMANCE 800 V Max Input Offset Voltage 2 V/ C Typ Offset Voltage Drift 25 pA Max Input Bias Current LOW NOISE 13 nV/ √Hz @ 10 kHz NO PHASE INVERSION APPLICATIONS Battery Powered Precision Instrumentation Photodiode Preamps Active Filters 12- to 14-Bit Data Acquisition Systems Medical Instrumentation Low Power References and Regulators PRODUCT DESCRIPTION The AD822 is a dual precision, low power FET input op amp that can operate from a single supply of +3.0 V to 36 V, or dual supplies of ±1.5 V to ±18 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 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 max, 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. 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. The AD822 drives up to 350 pF of direct capacitive load as a follower, and provides a minimum output current of 15 mA. This allows the amplifier to handle a wide range of load conditions. This combination of ac and dc performance, plus the outstanding load drive capability, results in an exceptionally versatile amplifier for the single supply user. The AD822 is available in four performance grades. The A and B grades are rated over the industrial temperature range of –40 °C to +85°C. There is also a 3 volt grade—the AD822A-3V, rated over the industrial temperature range. The mil grade is rated over the military temperature range of –55 °C to +125°C and is available processed on standard military drawing. The AD822 is offered in three varieties of 8-pin package: plastic DIP, hermetic cerdip and surface mount (SOIC) as well as die form. 10 90 100 0% 1V 1V 20µ s 1V 5V VOUT 0V (GND) Gain of +2 Amplifier; VS = +5, 0, VIN = 2.5 V Sine Centered at 1.25 Volts, RL = 100 kΩ Input Voltage Noise vs. Frequency 100 10 1 10 100 10k 1k FREQUENCY – Hz |
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类似说明 - AD822ACHIPS |
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