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AD8203YR

更新时间: 2024-11-27 21:15:55
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
13页 505K
描述
IC IC,DIFFERENTIAL AMPLIFIER,SINGLE,SOP,8PIN,PLASTIC, Operational Amplifier

AD8203YR 数据手册

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High Common-Mode Voltage,  
Single-Supply  
Difference Amplifier  
Preliminary Technical Data  
AD8203  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
+V  
6
NC  
7
A1  
3
A2  
4
High common-mode voltage range 12 V to +30 V at  
a 5 V supply voltage  
S
AD8203  
Operating temperature range  
40°C to +150°C  
Supply voltage range: 3.5 V to 12 V  
Low-pass filter (one pole or two pole)  
100k  
G = ×10  
+IN  
A1  
–IN  
G = ×2  
+IN  
A2  
–IN  
8
1
+IN  
–IN  
5
OUT  
10kΩ  
10kΩ  
EXCELLENT AC AND DC PERFORMANCE  
200kΩ  
200kΩ  
±1 mV voltage offset  
±1 ppm/°C typ gain drift  
77 dB CMRR min dc to 10 kHz  
2
NC = NO CONNECT  
GND  
PLATFORMS  
Figure 1. SOIC (R) Package Die Form  
Transmission control  
Diesel injection control  
Engine management  
Adaptive suspension control  
Vehicle dynamics control  
INDUCTIVE  
LOAD  
5V  
CLAMP  
DIODE  
OUTPUT  
GENERAL DESCRIPTION  
+IN  
NC +V  
OUT  
S
The AD8203 is a single-supply difference amplifier for  
amplifying and low-pass filtering small differential voltages in  
the presence of a large common-mode voltage. The input CMV  
range extends from 12 V to +30 V at a typical supply voltage of  
5 V.  
BATTERY  
14V  
4 TERM  
SHUNT  
AD8203  
–IN GND A1  
A2  
POWER  
DEVICE  
The AD8203 is offered in die and packaged form. Both  
package options are specified over wide temperature ranges,  
making the AD8203 well suited for use in many automotive  
platforms. The AD8203 is specified over a temperature range  
of 40°C to +150°C.  
COMMON  
NC = NO CONNECT  
Figure 2.High Line Current Sensor  
POWER  
DEVICE  
5V  
Automotive platforms demand precision components for better  
system control. The AD8203 provides excellent ac and dc  
performance that keeps errors to a minimum in the user’s  
system. Typical offset and gain drift in the SOIC package are  
5 µV/°C and 1 ppm/°C, respectively. The device also delivers a  
minimum CMRR of 77 dB from dc to 10 kHz.  
OUTPUT  
+IN  
NC +V  
OUT  
S
BATTERY  
14V  
4 TERM  
SHUNT  
AD8203  
–IN GND A1  
A2  
The AD8203 features an externally accessible 100 kresistor  
at the output of the preamp A1, which can be used for low-pass  
filter applications and for establishing gains other than 20.  
CLAMP  
DIODE  
INDUCTIVE  
LOAD  
COMMON  
NC = NO CONNECT  
Rev. PrA  
Figure 3. Low Line Current Sensor  
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  
www.analog.com  
Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved.  

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