TMP37GT9-REEL datasheet, PDF - EEWORLD Datasheet

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TMP37GT9-REEL: DescriptionIC sensor temp 2.7/5.5 TO-92-3; CategoryThe sensor; File Size391KB，20 Pages; ManufacturerADI; Websitehttps://www.analog.com

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TMP37GT9-REEL Overview

IC sensor temp 2.7/5.5 TO-92-3

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Data Sheet

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 μA quiescent current

Shutdown current 0.5 μA max

Low self-heating

Qualified for automotive applications

Low Voltage Temperature Sensors

TMP35/TMP36/TMP37

FUNCTIONAL BLOCK DIAGRAM

(2.7V TO 5.5V)

SHUTDOWN

TMP35/

TMP36/

TMP37

OUT

Figure 1.

PIN CONFIGURATIONS

OUT

TOP VIEW

(Not to Scale)

00337-002

00337-003

APPLICATIONS

Environmental control systems

Thermal protection

Industrial process control

Fire alarms

Power system monitors

CPU thermal management

5 GND

4 SHUTDOWN

NC = NO CONNECT

Figure 2. RJ-5 (SOT-23)

GENERAL DESCRIPTION

The

TMP35/TMP36/TMP37

are low voltage, precision centi-

grade 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 ADCs. All three devices are

intended for single-supply operation from 2.7 V to 5.5 V maxi-

mum. The 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 the 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

functionally compatible with the LM50. Both the

TMP35

and

TMP36

have an output scale factor of 10 mV/°C.

OUT

NC 2

8 +V

7 NC

TOP VIEW

NC 3 (Not to Scale) 6 NC

GND 4

5 SHUTDOWN

NC = NO CONNECT

Figure 3. R-8 (SOIC_N)

BOTTOM VIEW

(Not to Scale)

00337-004

PIN 1, +V

; PIN 2, V

OUT

; PIN 3, GND

Figure 4. T-3 (TO-92)

The

TMP37

is intended for applications over the range of 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 available in low cost 3-lead

TO-92, 8-lead SOIC_N, and 5-lead SOT-23 surface-mount

packages.

Rev. G

Document Feedback

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Technical Support

www.analog.com

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.

00337-001

TMP35/TMP36/TMP37

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications ....................................................................................... 1

General Description ......................................................................... 1

Functional Block Diagram .............................................................. 1

Pin Configurations ........................................................................... 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

Absolute Maximum Ratings............................................................ 4

Thermal Resistance ...................................................................... 4

ESD Caution .................................................................................. 4

Typical Performance Characteristics ............................................. 5

Functional Description .................................................................... 8

Applications Information ................................................................ 9

Shutdown Operation .................................................................... 9

Mounting Considerations ........................................................... 9

Thermal Environment Effects .................................................... 9

Data Sheet

Basic Temperature Sensor Connections.................................. 10

Fahrenheit Thermometers ........................................................ 10

Average and Differential Temperature Measurement ........... 12

Microprocessor Interrupt Generator ....................................... 13

Thermocouple Signal Conditioning with Cold-Junction

Compensation............................................................................. 14

Using TMP3x Sensors in Remote Locations .......................... 15

Temperature to 4–20 mA Loop Transmitter .......................... 15

Temperature-to-Frequency Converter .................................... 16

Driving Long Cables or Heavy Capacitive Loads .................. 17

Commentary on Long-Term Stability ..................................... 17

Outline Dimensions ....................................................................... 18

Ordering Guide .......................................................................... 19

Automotive Products ................................................................. 20

REVISION HISTORY

11/13—Rev. F to Rev. G

Change to Table 1, Long-Term Stability Parameter ..................... 3

Change to Caption for Figure 38 .................................................. 18

Changes to Ordering Guide .......................................................... 19

11/10—Rev. E to Rev. F

Changes to Features.......................................................................... 1

Updated Outline Dimensions ....................................................... 18

Changes to Ordering Guide .......................................................... 19

Added Automotive Products Section .......................................... 20

8/08—Rev. D to Rev. E

Updated Outline Dimensions ....................................................... 18

Changes to Ordering Guide .......................................................... 19

3/05—Rev. C to Rev. D

Updated Format .................................................................. Universal

Changes to Specifications ................................................................ 3

Additions to Absolute Maximum Ratings ..................................... 4

Updated Outline Dimensions ....................................................... 18

Changes to Ordering Guide .......................................................... 19

10/02—Rev. B to Rev. C

Changes to Specifications .................................................................3

Deleted Text from Commentary on Long-Term Stability

Section.............................................................................................. 13

Updated Outline Dimensions ....................................................... 14

9/01—Rev. A to Rev. B

Edits to Specifications .......................................................................2

Addition of New Figure 1 .................................................................2

Deletion of Wafer Test Limits Section ............................................3

6/97—Rev. 0 to Rev. A

3/96—Revision 0: Initial Version

Rev. G | Page 2 of 20

TMP37GT9-REEL Related Products

	TMP37GT9-REEL	TMP36GS-REEL	TMP36GS-REEL7	TMP37GRT-REEL7
Description	IC sensor temp 2.7/5.5 TO-92-3	IC sensor temp 2.7/5.5 8soic TR	IC sensor temp 2.7/5.5 8soic TR	IC sensor temp 2.7/5.5 sot23-5

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