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AD22100KTZ PDF预览

AD22100KTZ

更新时间: 2024-01-29 16:40:48
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
12页 190K
描述
Voltage Output Temperature Sensor with Signal Conditioning

AD22100KTZ 数据手册

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Voltage Output Temperature Sensor  
with Signal Conditioning  
AD22100  
FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
V+  
200°C temperature span  
Accuracy better than 2ꢀ of full scale  
Linearity better than 1ꢀ of full scale  
Temperature coefficient of 22.5 mV/°C  
Output proportional to temperature × V+  
Single-supply operation  
V
OUT  
R
T
Reverse voltage protection  
Minimal self-heating  
High level, low impedance output  
Figure 1.  
APPLICATIONS  
HVAC systems  
+5V  
System temperature compensation  
Board level temperature sensing  
Electronic thermostats  
REFERENCE  
ANALOG-TO-  
DIGITAL  
CONVERTER  
MARKETS  
SIGNAL OUTPUT  
DIRECT TO ADC  
AD22100  
V
O
Industrial process control  
Instrumentation  
Automotive  
INPUT  
1k  
0.1F  
–50C TO +150C  
GENERAL DESCRIPTION  
The AD22100 is a monolithic temperature sensor with on-chip  
signal conditioning. It can be operated over the temperature  
range −50°C to +150°C, making it ideal for use in numerous  
HVAC, instrumentation, and automotive applications.  
Figure 2. Application Circuit  
The signal conditioning eliminates the need for any trimming,  
buffering, or linearization circuitry, greatly simplifying the  
system design and reducing the overall system cost.  
The output voltage is proportional to the temperature x the  
supply voltage (ratiometric). The output swings from 0.25 V at  
−50°C to +4.75 V at +150°C using a single +5.0 V supply.  
Due to its ratiometric nature, the AD22100 offers a cost-  
effective solution when interfacing to an analog-to-digital  
converter. This is accomplished by using the ADCs +5 V  
power supply as a reference to both the ADC and the AD22100  
eliminating the need for and cost of a precision reference (see  
Figure 2).  
Rev. D  
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  
Fax: 781.326.8703  
www.analog.com  
© 2004 Analog Devices, Inc. All rights reserved.  
 
 

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