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AD22100KTZ 其他数据使用手册 - ADI（亚德诺）
制造商:
ADI（亚德诺）
分类:
温度传感器
封装:
TO-92-3
描述:
ANALOG DEVICES AD22100KTZ 温度传感器芯片, 电压, ± 0.5°C, -50 °C, +150 °C, TO-92, 3 引脚
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AD22100KTZ数据手册
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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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
AD22100*
Voltage Output Temperature Sensor
with Signal Conditioning
FEATURES
200°C Temperature Span
Accuracy Better than ±2% of Full Scale
Linearity Better than ±1% of Full Scale
Temperature Coefficient of 22.5 mV/°C
Output Proportional to Temperature × V+
Single Supply Operation
Reverse Voltage Protection
Minimal Self Heating
High Level, Low Impedance Output
APPLICATIONS
HVAC Systems
System Temperature Compensation
Board Level Temperature Sensing
Electronic Thermostats
MARKETS
Industrial Process Control
Instrumentation
Automotive
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.
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 times 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 effec-
tive solution when interfacing to an analog-to-digital converter.
This is accomplished by using the ADC’s +5 V power supply as
a reference to both the ADC and the AD22100 (See Figure 1),
eliminating the need for and cost of a precision reference.
*
Protected by U.S. Patent Nos. 5030849 and 5243319
.
SIMPLIFIED BLOCK DIAGRAM
V+
V
OUT
Ι
R
T
AD22100
+5V
REFERENCE
ANALOG TO
DIGITAL
CONVERTER
INPUT
1kΩ
V
O
SIGNAL OUTPUT
DIRECT TO ADC
0.1µF
–50°C TO +150°C
Figure 1. Application Circuit
© Analog Devices, Inc., 1994
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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