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AD8218BCPZ-RL PDF预览

AD8218BCPZ-RL

更新时间： 2024-02-12 03:42:52
品牌 Logo 应用领域
亚德诺 - ADI 监控
页数 文件大小 规格书
16页 361K
描述
Zero Drift, Bidirectional Current Shunt Monitor

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AD8218BCPZ-RL 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：TSSOP
包装说明：TSSOP,针数：8
Reach Compliance Code：compliantHTS代码：8542.39.00.01
风险等级：5.73放大器类型：OPERATIONAL AMPLIFIER
JESD-30 代码：R-PDSO-G8JESD-609代码：e3
长度：3 mm湿度敏感等级：1
功能数量：1端子数量：8
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：225认证状态：Not Qualified
座面最大高度：1.1 mm子类别：Operational Amplifier
表面贴装：YES温度等级：AUTOMOTIVE
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3 mm
Base Number Matches：1

AD8218BCPZ-RL 数据手册

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Zero Drift, Bidirectional  
Current Shunt Monitor  
Data Sheet  
AD8218  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
V
S
High common-mode voltage range  
4 V to 80 V operating  
R4  
AD8218  
−0.3 V to +85 V survival  
Buffered output voltage  
Gain = 20 V/V  
Wide operating temperature range: −40°C to +125°C  
Excellent ac and dc performance  
100 nV/°C typical offset drift  
50 µV typical offset  
R1  
–IN  
+IN  
OUT  
R2  
R3  
LDO  
ENB  
GND  
REF  
5 ppm/°C typical gain drift  
110 dB typical CMRR at dc  
Figure 1.  
APPLICATIONS  
High-side current sensing  
48 V telecom  
Power management  
Base stations  
Bidirectional motor control  
Precision high voltage current sources  
GENERAL DESCRIPTION  
The AD8218 is a high voltage, high resolution current shunt  
amplifier. It features a set gain of 20 V/V, with a maximum  
0.35% gain error over the entire temperature range. The  
buffered output voltage directly interfaces with any typical  
converter. The AD8218 offers excellent input common-mode  
rejection from 4 V to 80 V. The AD8218 performs bidirectional  
current measurements across a shunt resistor in a variety of  
industrial and telecom applications, including motor control,  
battery management, and base station power amplifier bias  
control.  
The AD8218 offers breakthrough performance throughout the  
−40°C to +125°C temperature range. It features a zero-drift core,  
which leads to a typical offset drift of 100 nV/°C throughout  
the operating temperature range and the common-mode voltage  
range. Special attention is devoted to output linearity being  
maintained throughout the input differential voltage range of  
0 mV to ~250 mV. The AD8218 also includes an internal 80 mV  
reference that can be enabled for optimal dynamic range in  
unidirectional current sense applications. The typical input  
offset voltage is 50 µ V.  
The AD8218 is offered in an 8-lead MSOP package and an  
8-lead LFCSP package.  
Rev. B  
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 ©2011–2013 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  
 
 
 
 
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