AD822ANZ

更新时间： 2024-02-16 13:22:59

品牌	Logo	应用领域
亚德诺 - ADI		运算放大器光电二极管
页数	文件大小	规格书
28页	597K
描述
Single-Supply, Rail-to-Rail Low Power FET-Input Op Amp

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AD822ANZ 数据手册

Single-Supply, Rail-to-Rail

Low Power FET-Input Op Amp

AD822

FEATURES

CONNECTION DIAGRAM

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.ꢀ V to 18 V

High load drive

OUT1

–IN1

+IN1

V+

OUT2

–IN2

V–

+IN2

AD822

Figure 1. 8-Lead PDIP (N Suffix); 8-Lead MSOP (RM Suffix);

and 8-Lead SOIC (R Suffix)

Capacitive load drive of 3ꢀ0 pF, G = +1

Minimum output current of 1ꢀ mA

Excellent ac performance for low power

800 μA maximum quiescent current per amplifier

Unity gain bandwidth: 1.8 MHz

Slew rate of 3.0 V/ꢁs

GENERAL 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 ±±.ꢀ V to ±±8 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 ±0 mV of each rail, providing the maximum

output dynamic range.

Good dc performance

800 μV maximum input offset voltage

2 μV/°C typical offset voltage drift

2ꢀ pA maximum input bias current

Low noise

13 nV/√Hz @ 10 kHz

100

No phase inversion

APPLICATIONS

Battery-powered precision instrumentation

Photodiode preamps

Active filters

12-bit to 14-bit data acquisition systems

Medical instrumentation

Low power references and regulators

100

FREQUENCY (Hz)

10k

Figure 2. Input Voltage Noise vs. Frequency

Offset voltage of 800 μV maximum, offset voltage drift of 2 μV/°C,

input bias currents below 2ꢀ pA, and low input voltage noise

provide dc precision with source impedances up to a gigaohm. The

±.8 MHz unity gain bandwidth, –93 dB THD at ±0 kHz, and 3 V/μs

slew rate are provided with a low supply current of 800 μA per

amplifier.

(continued on Page 3)

Rev. G

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 registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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