Table of Contents

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

2 Applications..................................................................... 1

3 Description.......................................................................1

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

5 Device Comparison......................................................... 3

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

7 Specifications.................................................................. 4

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

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

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

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

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

7.6 SPI Interface Timing....................................................7

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

8 Detailed Description......................................................10

8.1 Overview................................................................... 10

8.2 Functional Block Diagram......................................... 10

8.3 Feature Descriptions................................................. 11

8.4 Device Functional Modes..........................................14

8.5 Programming............................................................ 18

8.6 Register Map.............................................................25

9 Application and Implementation.................................. 36

9.1 Application Information............................................. 36

9.2 Typical Application.................................................... 36

10 Power Supply Recommendations..............................37

11 Layout........................................................................... 37

11.1 Layout Guidelines................................................... 37

11.2 Layout Example...................................................... 37

12 Device and Documentation Support..........................39

12.1 Documentation Support ......................................... 39

12.2 Receiving Notification of Documentation Updates..39

12.3 Support Resources................................................. 39

12.4 Trademarks.............................................................39

12.5 Electrostatic Discharge Caution..............................39

12.6 Glossary..................................................................39

13 Mechanical, Packaging, and Orderable

Information.................................................................... 39

4 Revision History

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

Changes from Revision B (March 2022) to Revision C (June 2022)

Page

• Changed the resistance between the VDD and ALERT pins in the Simplified Application key graphic on the

first page from: 5 kΩ to: 10 kΩ............................................................................................................................1

• Added the Average Temperature Accuracy (DBV) key graphic to the first page................................................ 1

• Changed Device Comparison table.................................................................................................................... 3

• Added Response Time specification to the Electrical Characteristics table....................................................... 5

• Added new graphs to the Typical Characteristics section...................................................................................7

• Added note to the Slew Rate Warning section................................................................................................. 12

• Added the response time (stirred liquid) parameter for the DBV package to the Electrical Characteristics table

..........................................................................................................................................................................23

• Corrected bit range for the Reserved section of configuration register.............................................................25

Changes from Revision A (March 2022) to Revision B (March 2022)

Page

• Changed data sheet status from: Advanced Information to: Production Data....................................................1

Changes from Revision * (May 2021) to Revision A (March 2022)

Page

• Changed the Layout Example ......................................................................................................................... 37

TMP126-Q1

SNIS227C – MAY 2021 – REVISED JUNE 2022

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