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TMP36GRT

Analog Devices
Part Number TMP36GRT
Manufacturer Analog Devices
Description Low Voltage Temperature Sensors
Published Apr 16, 2005
Detailed Description a FEATURES Low Voltage Operation (+2.7 V to +5.5 V) Calibrated Directly in ؇ C 10 mV/؇ C Scale Factor (20 mV/؇ C on TMP3...
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TMP36GRT
TMP36GRT

Overview
a FEATURES Low Voltage Operation (+2.
7 V to +5.
5 V) Calibrated Directly in ؇ C 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 APPLICATIONS Environmental Control Systems Thermal Protection Industrial Process Control Fire Alarms Power System Monitors CPU Thermal Management Low Voltage Temperature Sensors TMP35/TMP36/TMP37 FUNCTIONAL BLOCK DIAGRAM +Vs (2.
7V to 5.
5V) TMP35 SHUTDOWN TMP36 TMP37 VOUT PACKAGE TYPES AVAILABLE RT-5 (SOT-23) VOUT 1 +VS 2 NC 3 TOP VIEW (Not to Scale) 4 SHUTDOWN 5 GND PRODUCT DESCRIPTION NC = NO CONNECT 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) temperature.
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.
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.
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 t...


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