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AD822ARZ データシート(PDF) 1 Page - Analog Devices

部品番号 AD822ARZ
部品情報  Single-Supply, Rail-to-Rail Low Power FET-Input Op Amp
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メーカー  AD [Analog Devices]
ホームページ  http://www.analog.com
Logo AD - Analog Devices

AD822ARZ データシート(HTML) 1 Page - Analog Devices

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Single-Supply, Rail-to-Rail
Low Power FET-Input Op Amp
AD822
Rev. G
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2006 Analog Devices, Inc. All rights reserved.
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 μA maximum quiescent current per amplifier
Unity gain bandwidth: 1.8 MHz
Slew rate of 3.0 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 @ 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
Figure 1. 8-Lead PDIP (N Suffix); 8-Lead MSOP (RM Suffix);
and 8-Lead SOIC (R Suffix)
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 ±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.
FREQUENCY (Hz)
1
10
10k
1k
100
100
10
Figure 2. Input Voltage Noise vs. Frequency
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 THD at 10 kHz, and 3 V/μs
slew rate are provided with a low supply current of 800 μA per
amplifier.
(continued on Page 3)


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