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AD8479TRZ-EP

更新时间： 2024-11-14 03:10:43
品牌 Logo 应用领域
亚德诺 - ADI 放大器光电二极管
页数 文件大小 规格书
7页 213K
描述
Very High Common-Mode Voltage Precision Difference Amplifier

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AD8479TRZ-EP 数据手册

 浏览型号AD8479TRZ-EP的Datasheet PDF文件第2页浏览型号AD8479TRZ-EP的Datasheet PDF文件第3页浏览型号AD8479TRZ-EP的Datasheet PDF文件第4页浏览型号AD8479TRZ-EP的Datasheet PDF文件第5页浏览型号AD8479TRZ-EP的Datasheet PDF文件第6页浏览型号AD8479TRZ-EP的Datasheet PDF文件第7页 
Very High Common-Mode Voltage  
Precision Difference Amplifier  
AD8479-EP  
Enhanced Product  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
600 V dc common-mode voltage range  
Rail-to-rail output  
Fixed gain of 1  
Wide power supply operating voltage range of 2.5 V to 18 V  
550 μA typical power supply current  
Excellent ac specifications  
AD8479-EP  
REF(–)  
1
NC  
+V  
8
7
6
S
1MΩ  
1MΩ  
–IN  
+IN  
2
3
OUTPUT  
REF(+)  
80 dB minimum CMRR  
130 kHz small signal −3 dB bandwidth  
High accuracy dc performance  
10 ppm maximum gain nonlinearity  
15 µV/°C maximum offset voltage drift  
5 ppm/°C maximum gain drift  
–V  
S
4
5
NOTES  
1. NC = NO CONNECT. DO NOT CONNECT TO THIS PIN.  
Figure 1.  
ENHANCED PRODUCT FEATURES  
Supports defense and aerospace applications (AQEC standard)  
Military temperature range (−55°C to +125°C)  
Controlled manufacturing baseline  
One assembly/test site  
One fabrication site  
Product change notification  
Qualification data available on request  
APPLICATIONS  
Avionics  
Unmanned systems  
High voltage current sensing  
Motor controls  
Isolation  
GENERAL DESCRIPTION  
The AD8479-EP is a difference amplifier with a very high input  
common-mode voltage (VCM) range. The AD8479-EP is a  
precision device that allows the user to accurately measure  
differential signals in the presence of high VCM up to 600 V dc.  
Additional application and technical information can be found  
in the AD8479 data sheet.  
800  
V
= ±15V  
S
600  
400  
The AD8479-EP can replace costly isolation amplifiers in  
applications that do not require galvanic isolation. The device  
operates over a 600 V dc VCM range and has inputs that are  
protected from common-mode or differential mode transients  
up to 600 V.  
V
= ±5V  
S
200  
0
–200  
–400  
–600  
–800  
The AD8479-EP 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.  
–20  
–15  
–10  
–5  
0
5
10  
15  
20  
The AD8479-EP is available in a space-saving 8-lead SOIC package  
and is operational over the −55°C to +125°C temperature range.  
V
(V)  
OUT  
Figure 2. Input Common-Mode Voltage vs. Output Voltage (VOUT  
)
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  
©2019 Analog Devices, Inc. All rights reserved.  
www.analog.com  
 
 
 
 
 
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