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TMP37GRT

更新时间： 2024-11-04 22:22:47
品牌 Logo 应用领域
亚德诺 - ADI 传感器温度传感器
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16页 362K
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Low Voltage Temperature Sensors

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TMP37GRT 数据手册

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a
Low Voltage Temperature Sensors  
TMP35/TMP36/TMP37  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
Low Voltage Operation (2.7 V to 5.5 V)  
Calibrated Directly in ؇C  
+V (2.7V to 5.5V)  
s
10 mV/؇C Scale Factor (20 mV/؇C on TMP37)  
؎2؇C Accuracy over Temperature (Typ)  
؎0.5؇C Linearity (Typ)  
Stable with Large Capacitive Loads  
Specified –40؇C to +125؇C, Operation to +150؇C  
Less than 50 ␮A Quiescent Current  
Shutdown Current 0.5 ␮A Max  
Low Self-Heating  
TMP35/  
TMP36/  
TMP37  
SHUTDOWN  
V
OUT  
PACKAGE TYPES AVAILABLE  
RT-5 (SOT-23)  
APPLICATIONS  
Environmental Control Systems  
Thermal Protection  
Industrial Process Control  
Fire Alarms  
Power System Monitors  
CPU Thermal Management  
V
GND  
1
2
3
5
OUT  
TOP VIEW  
(Not to Scale)  
+V  
S
NC  
4
SHUTDOWN  
NC = NO CONNECT  
PRODUCT DESCRIPTION  
RN-8 (SOIC)  
The TMP35, TMP36, and TMP37 are low voltage, precision  
centigrade temperature sensors. They provide a voltage output  
that is linearly proportional to the Celsius (Centigrade) tem-  
perature. The TMP35/TMP36/TMP37 do not require any  
external calibration to provide typical accuracies of 1°C at  
+25°C and 2°C over the –40°C to +125°C temperature range.  
1
2
3
4
8
7
6
5
V
+V  
S
OUT  
NC  
NC  
TOP VIEW  
(Not to Scale)  
NC  
NC  
SHUTDOWN  
GND  
NC = NO CONNECT  
The low output impedance of the TMP35/TMP36/TMP37 and  
its linear output and precise calibration simplify interfacing to  
temperature control circuitry and A/D converters. All three  
devices are intended for single-supply operation from 2.7 V to  
5.5 V maximum. Supply current runs well below 50 µA, providing  
very low self-heating—less than 0.1°C in still air. In addition, a  
shutdown function is provided to cut supply current to less  
than 0.5 µA.  
TO-92  
2
1
3
BOTTOM VIEW  
(Not to Scale)  
PIN 1, +V ; PIN 2, V  
; PIN 3, GND  
s
OUT  
The TMP35 is functionally compatible with the LM35/LM45 and  
provides a 250 mV output at 25°C. The TMP35 reads temperatures  
from 10°C to 125°C. The TMP36 is specified from –40°C to  
+125°C, provides a 750 mV output at 25°C, and operates to  
+125°C from a single 2.7 V supply. The TMP36 is functionally  
compatible with the LM50. Both the TMP35 and TMP36 have  
an output scale factor of 10 mV/°C. The TMP37 is intended for  
applications over the range 5°C to 100°C and provides an output  
scale factor of 20 mV/°C. The TMP37 provides a 500 mV output  
at 25°C. Operation extends to 150°C with reduced accuracy for all  
devices when operating from a 5 V supply.  
The TMP35/TMP36/TMP37 are all available in low cost 3-lead  
TO-92, SOIC-8, and 5-lead SOT-23 surface-mount packages.  
REV. C  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. No license is granted by implication or otherwise  
under any patent or patent rights of Analog Devices.  
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  
© Analog Devices, Inc., 2002  
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TMP37GRT 替代型号

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