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AD8422BRMZ PDF预览

AD8422BRMZ

更新时间： 2024-01-25 10:19:49
品牌 Logo 应用领域
亚德诺 - ADI 仪表放大器放大器电路光电二极管PC
页数 文件大小 规格书
24页 697K
描述
High Performance, Low Power, Rail-to-Rail Precision Instrumentation Amplifier

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AD8422BRMZ 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：SOP, SOP8,.25针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.31.00.01风险等级：1.62
Samacsys Confidence：1Samacsys Status：Released
2D Presentation：https://componentsearchengine.com/2D/0T/350919.1.1.pngSchematic Symbol：https://componentsearchengine.com/symbol.php?partID=350919
PCB Footprint：https://componentsearchengine.com/footprint.php?partID=3509193D View：https://componentsearchengine.com/viewer/3D.php?partID=350919
Samacsys PartID：350919Samacsys Image：https://componentsearchengine.com/Images/9/AD8422BRZ.jpg
Samacsys Thumbnail Image：https://componentsearchengine.com/Thumbnails/1/AD8422BRZ.jpgSamacsys Pin Count：8
Samacsys Part Category：Integrated CircuitSamacsys Package Category：Small Outline Packages
Samacsys Footprint Name：8 LEAD (SOIC_N)Samacsys Released Date：2018-08-08 09:35:22
Is Samacsys：N放大器类型：INSTRUMENTATION AMPLIFIER
最大平均偏置电流 (IIB)：0.001 µA标称带宽 (3dB)：2.2 MHz
最小共模抑制比：89 dB最大输入失调电流 (IIO)：0.0003 µA
最大输入失调电压：40 µVJESD-30 代码：R-PDSO-G8
JESD-609代码：e3长度：4.9 mm
湿度敏感等级：1负供电电压上限：-18 V
标称负供电电压 (Vsup)：-15 V最大非线性：0.002%
功能数量：1端子数量：8
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP8,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：260
电源：+-1.8/+-18/3.6/36 V认证状态：Not Qualified
座面最大高度：1.75 mm子类别：Instrumentation Amplifier
最大压摆率：0.4 mA供电电压上限：18 V
标称供电电压 (Vsup)：15 V表面贴装：YES
技术：BIPOLAR温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30最大电压增益：1000
最小电压增益：1标称电压增益：10
宽度：3.9 mmBase Number Matches：1

AD8422BRMZ 数据手册

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High Performance, Low Power, Rail-to-Rail  
Precision Instrumentation Amplifier  
Data Sheet  
AD8422  
FEATURES  
CONNECTION DIAGRAM  
Low power: 330 µA maximum quiescent current  
Rail-to-rail output  
Low noise and distortion  
8 nV/√Hz maximum input voltage noise at 1 kHz  
0.15 µV p-p RTI noise (G = 100)  
AD8422  
1
2
3
4
8
7
6
5
–IN  
+V  
S
R
R
V
OUT  
G
G
REF  
–V  
+IN  
S
0.5 ppm nonlinearity with 2 kΩ load (G = 1)  
Excellent ac specifications  
80 dB minimum CMRR at 7 kHz (G = 1)  
2.2 MHz bandwidth (G = 1)  
TOP VIEW  
(Not to Scale)  
Figure 1. 8-Lead MSOP (RM), 8-Lead SOIC (R)  
High precision dc performance (AD8422BRZ)  
150 dB minimum CMRR (G = 1000)  
0.04% maximum gain error (G = 1000)  
0.3 µV/°C maximum input offset drift  
0.5 nA maximum input bias current  
Wide supply range  
–20  
–30  
R
= 2kΩ  
= ±10V  
L
V
OUT  
–40  
–50  
–60  
–70  
3.6 V to 36 V single supply  
–80  
G = 1000  
1.8 V to 18 V dual supply  
–90  
Input overvoltage protection: 40 V from opposite supply  
Gain range: 1 to 1000  
G = 100  
G = 10  
–100  
–110  
–120  
–130  
–140  
G = 1  
APPLICATIONS  
Medical instrumentation  
Industrial process controls  
Strain gages  
10  
100  
FREQUENCY (Hz)  
1k  
5k  
Figure 2. Total Harmonic Distortion vs. Frequency  
Transducer interfaces  
Precision data acquisition systems  
Channel-isolated systems  
Portable instrumentation  
GENERAL DESCRIPTION  
The AD8422 is a high precision, low power, low noise, rail-to-rail  
instrumentation amplifier that delivers the best performance  
per unit microampere in the industry. The AD8422 processes  
signals with ultralow distortion performance that is load  
independent over its full output range.  
The wide input range and rail-to-rail output of the AD8422  
bring all of the benefits of a high performance in-amp to single-  
supply applications. Whether using high or low supply voltages,  
the power savings make the AD8422 an excellent choice for  
high channel count or power sensitive applications on a very  
tight error budget.  
The AD8422 is the third generation development of the industry-  
standard AD620. The AD8422 employs new process technologies  
and design techniques to achieve higher dynamic range and  
lower errors than its predecessors, while consuming less than  
one-third of the power. The AD8422 uses the high performance  
pinout introduced by the AD8221.  
The AD8422 uses robust input protection that ensures reliability  
without sacrificing noise performance. The AD8422 has high  
ESD immunity, and the inputs are protected from continuous  
voltages up to 40 V from the opposite supply rail.  
A single resistor sets the gain from 1 to 1000. The reference pin  
can be used to apply a precise offset to the output voltage.  
Very low bias current makes the AD8422 error-free with high  
source impedance, allowing multiple sensors to be multiplexed  
to the inputs. Low voltage noise and low current noise make the  
AD8422 an ideal choice for measuring a Wheatstone bridge.  
The AD8422 is specified from −40°C to +85°C and has typical  
performance curves to 125°C. It is available in 8-lead MSOP  
and 8-lead SOIC packages.  
Rev. 0  
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  
rightsof third parties that may result fromits 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 andregisteredtrademarks 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  
Technical Support  
©2013 Analog Devices, Inc. All rights reserved.  
www.analog.com  
 
 
 
 
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