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TMP3494CPCCF, TMP35, TMP35F

Table of contents:
Info of TMP3494CPCCF
Info of TMP35
Info of TMP35F

TMP3494CPCCF, TMP35, TMP35F Selling Leads, Datasheet

MFG:TI Package Cooled:800 D/C:09+

TMP3494CPCCF, TMP35, TMP35F Datasheet download

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Part Number: TMP3494CPCCF

MFG: TI

Package Cooled: 800

D/C: 09+

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TMP35 General Description

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, ashutdown 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 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.

TMP35 Maximum Ratings

Supply Voltage . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . 7 V
Shutdown Pin . . . . . . . . . . . . . . . . . . . GND SHUTDOWN +V_S
Output Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . GND V_OUT +V_S
Operating Temperature Range . . . . . .. . . . . 55°C to +150°C
Dice Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . 175°C
Storage Temperature Range . . . . . . . . .. . . . 65°C to +160°C
Lead Temperature (Soldering, 60 sec) . . . . . . . . . . . . . . . 300°C

TMP35 Features

Low Voltage Operation (2.7 V to 5.5 V)
Calibrated Directly in
10 mV/ Scale Factor (20 mV/ on TMP37)
±2 Accuracy over Temperature (Typ)
±0.5 Linearity (Typ)
Stable with Large Capacitive Loads
Specified 40 to +125, Operation to +150
Less than 50 A Quiescent Current
Shutdown Current 0.5 A Max
Low Self-Heating

TMP35 Typical Application

Environmental Control Systems
Thermal Protection
Industrial Process Control
Fire Alarms
Power System Monitors
CPU Thermal Management

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