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AD8203

更新时间: 2024-02-20 20:06:12
品牌 Logo 应用领域
亚德诺 - ADI 放大器
页数 文件大小 规格书
20页 311K
描述
High Common-Mode Voltage, Single-Supply Difference Amplifier

AD8203 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:ROHS COMPLIANT, MS-012AA, SOIC-8针数:8
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.33.00.01风险等级:5.31
放大器类型:OPERATIONAL AMPLIFIER标称共模抑制比:80 dB
最大输入失调电压:1000 µVJESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.9 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:125 °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:5 V
认证状态:Not Qualified座面最大高度:1.75 mm
标称压摆率:0.33 V/us子类别:Operational Amplifier
最大压摆率:1 mA供电电压上限:12.5 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:BIPOLAR温度等级:AUTOMOTIVE
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:40宽度:3.9 mm

AD8203 数据手册

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High Common-Mode Voltage,  
Single-Supply Difference Amplifier  
AD8203  
FEATURES  
FUNCTIONAL BLOCK DIAGRAMS  
High common-mode voltage range  
−6 V to +30 V at a 5 V supply voltage  
Operating temperature range: −40°C to +125°C  
Supply voltage range: 3.5 V to 12 V  
Low-pass filter (1-pole or 2-pole)  
Excellent ac and dc performance  
1 mV voltage offset (8-lead SOIC)  
1 ppmꢀ°C typical gain drift  
NC  
6
A1  
3
A2  
4
+V  
S
7
AD8203  
100kΩ  
G = ×7  
+IN  
A1  
–IN  
G = ×2  
+IN  
A2  
–IN  
8
1
+IN  
–IN  
5
OUT  
10kΩ  
200kΩ  
200kΩ  
10kΩ  
80 dB CMRR minimum dc to 10 kHz  
APPLICATIONS  
2
NC = NO CONNECT  
GND  
Transmission control  
Diesel injection control  
Engine management  
Figure 1. Functional Block Diagram  
Adaptive suspension control  
Vehicle dynamics control  
INDUCTIVE  
LOAD  
5V  
CLAMP  
DIODE  
OUTPUT  
+IN +V  
NC OUT  
S
GENERAL DESCRIPTION  
BATTERY  
14V  
The AD8203 is a single-supply difference amplifier for amplify-  
ing and low-pass filtering small differential voltages in the  
presence of a large common-mode voltage (CMV). The input  
CMV range extends from −6 V to +30 V at a typical supply  
voltage of 5 V.  
4-TERM  
SHUNT  
AD8203  
–IN GND A1  
A2  
POWER  
DEVICE  
The AD8203 is available in die and packaged form. The MSOP  
and SOIC packages are specified over a wide temperature range,  
from −40°C to +125°C, while the die is specified over a wider  
temperature range, from −40°C to +150°C, making the AD8203  
well-suited for use in many automotive platforms.  
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 keeping errors to a minimum in the users system.  
Typical offset and gain drift in the SOIC package are 0.3 μV/°C and  
1 ppm/°C, respectively. Typical offset and gain drift in the MSOP  
package are 2 ꢀV/°C and 1 ppm/°C, respectively. The device also  
delivers a minimum CMRR of 80 dB from dc to 10 kHz.  
OUTPUT  
+IN +V  
NC OUT  
S
BATTERY  
14V  
4-TERM  
SHUNT  
AD8203  
–IN GND A1  
A2  
CLAMP  
DIODE  
The AD8203 features an externally accessible 100 kΩ resistor at  
the output of the Preamp A1, which can be used for low-pass  
filter applications and for establishing gains other than 14.  
INDUCTIVE  
LOAD  
COMMON  
NC = NO CONNECT  
Figure 3. Low Line Current Sensor  
Rev. B  
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 registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
© 2005 Analog Devices, Inc. All rights reserved.  
 
 
 

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