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AD8479ARZ-RL

更新时间： 2024-01-14 15:29:49
品牌 Logo 应用领域
亚德诺 - ADI 放大器
页数 文件大小 规格书
16页 409K
描述
Very High Common-Mode Voltage Precision Difference Amplifier

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AD8479ARZ-RL 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active包装说明：SOIC-8
针数：8Reach Compliance Code：compliant
风险等级：2.26放大器类型：OPERATIONAL AMPLIFIER
标称共模抑制比：90 dB最大输入失调电压：3000 µV
JESD-30 代码：R-PDSO-G8长度：4.9 mm
负供电电压上限：-18 V标称负供电电压 (Vsup)：-15 V
功能数量：1端子数量：8
最高工作温度：125 °C最低工作温度：-55 °C
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
座面最大高度：1.75 mm标称压摆率：9 V/us
子类别：Operational Amplifier供电电压上限：18 V
标称供电电压 (Vsup)：15 V表面贴装：YES
温度等级：MILITARY端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
宽度：3.9 mmBase Number Matches：1

AD8479ARZ-RL 数据手册

 浏览型号AD8479ARZ-RL的Datasheet PDF文件第2页浏览型号AD8479ARZ-RL的Datasheet PDF文件第3页浏览型号AD8479ARZ-RL的Datasheet PDF文件第4页浏览型号AD8479ARZ-RL的Datasheet PDF文件第5页浏览型号AD8479ARZ-RL的Datasheet PDF文件第6页浏览型号AD8479ARZ-RL的Datasheet PDF文件第7页 
Very High Common-Mode Voltage  
Precision Difference Amplifier  
AD8479  
Data Sheet  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
AD8479  
600 V common-mode voltage range  
Rail-to-rail output  
REF(–)  
1
NC  
+V  
8
7
6
Fixed gain of 1  
Wide power supply range of 2.5 V to 18 V  
550 μA typical power supply current  
Excellent ac specifications  
90 dB minimum CMRR  
130 kHz bandwidth  
S
1MΩ  
1MΩ  
–IN  
+IN  
2
3
OUTPUT  
REF(+)  
–V  
S
4
5
High accuracy dc performance  
5 ppm maximum gain nonlinearity  
10 µV/°C maximum offset voltage drift  
5 ppm/°C maximum gain drift  
NOTES  
1. NC = NO CONNECT. DO NOT CONNECT TO THIS PIN.  
Figure 1.  
APPLICATIONS  
800  
600  
High voltage current sensing  
Battery cell voltage monitors  
Power supply current monitors  
Motor controls  
V
= ±15V  
S
400  
V
= ±5V  
S
200  
Isolation  
0
GENERAL DESCRIPTION  
–200  
–400  
–600  
–800  
The AD8479 is a difference amplifier with a very high input  
common-mode voltage range. The AD8479 is a precision device  
that allows the user to accurately measure differential signals in  
the presence of high common-mode voltages up to 600 V.  
The AD8479 can replace costly isolation amplifiers in applications  
that do not require galvanic isolation. The device operates over  
–20  
–15  
–10  
–5  
0
5
10  
15  
20  
V
(V)  
OUT  
a
600 V common-mode voltage range and has inputs that are  
Figure 2. Input Common-Mode Voltage vs. Output Voltage  
protected from common-mode or differential mode transients  
up to 600 V.  
The AD8479 has low offset voltage, low offset voltage drift,  
low gain drift, low common-mode rejection drift, and excellent  
common-mode rejection ratio (CMRR) over a wide frequency  
range.  
The AD8479 is available in a space-saving 8-lead SOIC package  
and is operational over the −40°C to +125°C temperature range.  
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  
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  
Technical Support  
©2013 Analog Devices, Inc. All rights reserved.  
www.analog.com  
 
 
 
 
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