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TMP112

SBOS473F – MARCH 2009 – REVISED FEBRUARY 2018

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Copyright © 2009–2018, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

Description ............................................................. 1

4

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

5

Pin Configuration and Functions ......................... 3

6

Specifications......................................................... 4

6.1

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

6.2

ESD Ratings.............................................................. 4

6.3

Recommended Operating Conditions ....................... 4

6.4

Thermal Information .................................................. 4

6.5

Electrical Characteristics........................................... 5

6.6

Timing Requirements ................................................ 6

6.7

Typical Characteristics .............................................. 7

7

Detailed Description .............................................. 9

7.1

Overview ................................................................... 9

7.2

Functional Block Diagrams ....................................... 9

7.3

Feature Description................................................. 10

7.4

Device Functional Modes........................................ 17

7.5

Programming .......................................................... 18

8

Application and Implementation ........................ 22

8.1

Application Information............................................ 22

8.2

Typical Application ................................................. 22

9

Power Supply Recommendations ...................... 23

10

Layout................................................................... 24

10.1

Layout Guidelines ................................................. 24

10.2

Layout Example .................................................... 24

11

Device and Documentation Support ................. 25

11.1

Documentation Support ....................................... 25

11.2

Community Resources.......................................... 25

11.3

Trademarks ........................................................... 25

11.4

Electrostatic Discharge Caution ............................ 25

11.5

Glossary ................................................................ 25

12

Mechanical, Packaging, and Orderable

Information ........................................................... 25

4 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision E (December 2015) to Revision F

Page

•

Added TMP112N and TMP112B orderables to the data sheet.............................................................................................. 1

•

Removed duplicate specified and operating temperature ranges from the Electrical Characteristics table .......................... 5

•

Removed Calibrating for Improved Accuracy and Using the Slope Specifications With a 1-Point Calibration sections...... 22

Changes from Revision D (April 2015) to Revision E

Page

•

Added TI Design .................................................................................................................................................................... 1

•

Added NIST Features bullet .................................................................................................................................................. 1

•

Added last paragraph to Description section ......................................................................................................................... 1

Changes from Revision C (October 2014) to Revision D

Page

•

Changed MIN, TYP, and MAX values for the Temperature Accuracy (temperature error) parameter .................................. 5

•

Changed the frequency from 2.85 to 3.4 MHz in the POWER SUPPLY section of the Electrical Characteristics table ...... 5

•

Changed the Temperature Error at 25°C graph in the Typical Characteristics section ......................................................... 7

•

Changed the Temperature Error vs Temperature graph in the Typical Characteristics section ............................................ 7

Changes from Revision B (June 2009) to Revision C

Page

•

Added Handling Rating table, Feature Description section, Device Functional Modes, Application and

Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation

Support section, and Mechanical, Packaging, and Orderable Information section ............................................................... 4

•

Changed parameters in Timing Requirements ...................................................................................................................... 6