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AD22103KT PDF预览

AD22103KT

更新时间: 2024-01-06 10:38:34
品牌 Logo 应用领域
亚德诺 - ADI 传感器温度传感器
页数 文件大小 规格书
6页 227K
描述
3.3 V Supply, Voltage Output Temperature Sensor with Signal Conditioning

AD22103KT 数据手册

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3.3 V Supply, Voltage Output Temperature  
Sensor with Signal Conditioning  
a
AD22103*  
FEATURES  
SIMPLIFIED BLOCK DIAGRAM  
3.3 V, Single Supply Operation  
Temperature Coefficient of 28 mV/°C  
100°C Temperature Span (0°C to +100°C)  
Accuracy Better Than 2.5% of Full Scale  
Linearity Better Than 0.5% of Full Scale  
Output Proportional to Temperature × VS  
Minimal Self-Heating  
V
S
Ι
V
High Level, Low Impedance Output  
Reverse Supply Protected  
OUT  
R
T
APPLICATIONS  
Microprocessor Thermal Management  
Battery and Low Powered Systems  
Power Supply Temperature Monitoring  
System Temperature Compensation  
Board Level Temperature Sensing  
MARKETS  
Computers  
Portable Electronic Equipment  
Industrial Process Control  
Instrumentation  
+3.3V  
GENERAL DESCRIPTION  
The AD22103 is a monolithic temperature sensor with on-chip  
signal conditioning. It can be operated over the temperature  
range 0°C to +100°C, making it ideal for use in numerous 3.3 V  
applications.  
REFERENCE  
ANALOG TO  
DIGITAL  
CONVERTER  
SIGNAL OUTPUT  
DIRECT TO ADC  
AD22103  
The signal conditioning eliminates the need for any trimming,  
buffering or linearization circuitry, greatly simplifying the system  
design and reducing the overall system cost.  
V
O
INPUT  
1kΩ  
0.1µF  
The output voltage is proportional to the temperature times the  
supply voltage (ratiometric). The output swings from 0.25 V at  
0°C to +3.05 V at +100°C using a single +3.3 V supply.  
Due to its ratiometric nature, the AD22103 offers a cost effec-  
tive solution when interfacing to an analog-to-digital converter.  
This is accomplished by using the ADC’s power supply as a ref-  
erence to both the ADC and the AD22103 (See Figure 1),  
eliminating the need for and cost of a precision reference.  
Figure 1. Application Circuit  
*Protected by U.S. Patent Nos. 5030849 and 5243319.  
REV. 0  
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  
which may result from its use. No license is granted by implication or  
otherwise under any patent or patent rights of Analog Devices.  
© Analog Devices, Inc., 1995  
One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A.  
Tel: 617/329-4700 Fax: 617/326-8703  

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