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AD822ARZ 其他数据使用手册 - ADI（亚德诺）
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ADI（亚德诺）
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运算放大器
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SOIC-8
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ANALOG DEVICES AD822ARZ 运算放大器, 双路, 1.9 MHz, 2个放大器, 3 V/µs, 5V 至 30V, ± 2.5V 至 ± 15V, SOIC, 8 引脚
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AD822ARZ数据手册
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Single-Supply, Rail-to-Rail
Low Power FET-Input Op Amp
Data Sheet
AD822
Rev. J 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
FEATURES
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
APPLICATIONS
Battery-powered precision instrumentation
Photodiode preamps
Active filters
12-bit to 14-bit data acquisition systems
Medical instrumentation
Low power references and regulators
CONNECTION DIAGRAM
1
2
3
4
8
7
6
5
AD822
OUT1
–IN1
+IN1
V–
V+
OUT2
–IN2
+IN2
00874-001
Figure 1. 8-Lead PDIP (N Suffix);
8-Lead MSOP (RM Suffix);
and 8-Lead SOIC_N (R Suffix)
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 ±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.
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.
FREQUENCY (Hz)
1
10 10k
1k
100
INPUT VOLTAGE NOISE (nV/√Hz)
100
10
00874-002
Figure 2. Input Voltage Noise vs. Frequency
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