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ADA4622-2ARZ-R7
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30 V, 8 MHz, Low Bias Current,
Single-Supply, RRO, Precision Op Amps
Data Sheet
ADA4622-1/ADA4622-2/ADA4622-4
Rev. D 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 ©20152018 Analog Devices, Inc. All rights reserved.
Technical Support www.analog.com
FEATURES
Next generation of the AD820/AD822/AD824
Wide gain bandwidth product: 8 MHz typical
High slew rate
23 V/µs typical (low to high)
18 V/µs typical (high to low)
Low input bias current: ±10 pA maximum at T
A
= 25°C
Low offset voltage
A grade: ±0.8 mV maximum at T
A
= 25°C
B grade: ±0.35 mV maximum at T
A
= 25°C
Low offset voltage drift
A grade: ±2 µV/°C typical, ±15 µV/°C maximum
B grade: ±2 µV/°C typical, ±5 µV/°C maximum
Input voltage range includes Pin V−
Rail-to-rail output
Electromagnetic interference rejection ratio (EMIRR)
90 dB typical at f = 1000 MHz and f = 2400 MHz
Industry-standard package and pinouts
APPLICATIONS
High output impedance sensor interfaces
Photodiode sensor interfaces
Transimpedance amplifiers
ADC drivers
Precision filters and signal conditioning
PIN CONFIGURATION
1
2
3
4
–IN A
+IN A
V–
OUT A
8
7
6
5
OUT B
–IN B
+IN B
V+
13502-001
ADA4622-2
(Not to Scale)
TOP VIEW
Figure 1. 8-Lead Mini Small Outline Package [MSOP] Pin Configuration
(See the Pin Configurations and Function Descriptions Section
for Additional Pin Configurations)
GENERAL DESCRIPTION
The ADA4622-1/ADA4622-2/ADA4622-4 are the next generation
of the AD820/AD822/AD824 single-supply, rail-to-rail output
(RRO), precision junction field effect transistors (JFET) input
op amps. The ADA4622-1/ADA4622-2/ADA4622-4 include
many improvements that make them desirable as upgrades
without compromising the flexibility and ease of use that makes
the AD820/AD822/AD824 useful for a wide variety of applications.
The input voltage range includes the negative supply and the
output swings rail-to-rail. Input EMI filters increase the signal
robustness in the face of closely located switching noise sources.
The speed, in terms of bandwidth and slew rate, increases along
with a strong output drive to improve settling time performance
and enables the devices to drive the inputs of modern single-
ended, successive approximation register (SAR) analog-to-
digital converters (ADCs).
Voltage noise is reduced; although the supply current remains
the same as the AD820/AD822/AD824, broadband noise is
reduced by 25%, and 1/f is reduced by half. DC precision in the
ADA4622-1/ADA4622-2/ADA4622-4 improved from the
AD820/AD822/AD824 with half the offset and a maximum
thermal drift specification added to the ADA4622-1/ADA4622-2/
ADA4622-4. The common-mode rejection ratio (CMRR) is
improved from the AD820/AD822/AD824 to make the
ADA4622-1/ADA4622-2/ADA4622-4 more suitable when used in
noninverting gain and difference amplifier configurations.
The ADA4622-1/ADA4622-2/ADA4622-4 are specified for
operation over the extended industrial temperature range of −40°C
to +125°C, and operate from 5 V to 30 V, with specifications at
+5 V, ±5 V, and ±15 V. The ADA4622-1 is available in a 5-lead
SOT-23 package and an 8-lead LFCSP package. The ADA4622-2
is available in an 8-lead SOIC package, an 8-lead MSOP package,
and an 8-lead LFCSP package. The ADA4622-4 is available in a
14-lead SOIC and a 16-lead, 4 × 4 mm LFCSP.

ADA4622-2ARZ-R7 数据手册

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ADA46222 数据手册

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