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TMP461-SP

SBOS876B – SEPTEMBER 2017 – REVISED FEBRUARY 2020

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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

Two-Wire Timing Requirements ............................... 6

6.7

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

7

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

7.1

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

7.2

Functional Block Diagram ......................................... 9

7.3

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

7.4

Device Functional Modes........................................ 13

7.5

Programming........................................................... 14

7.6

Register Map........................................................... 18

8

Application and Implementation ........................ 24

8.1

Application Information............................................ 24

8.2

Typical Application .................................................. 24

8.3

Radiation Environments .......................................... 27

9

Power Supply Recommendations ...................... 27

10

Layout................................................................... 28

10.1

Layout Guidelines ................................................. 28

10.2

Layout Example .................................................... 29

11

Device and Documentation Support ................. 30

11.1

Receiving Notification of Documentation Updates 30

11.2

Community Resources.......................................... 30

11.3

Trademarks ........................................................... 30

11.4

Electrostatic Discharge Caution ............................ 30

11.5

Glossary ................................................................ 30

12

Mechanical, Packaging, and Orderable

Information ........................................................... 30

4 Revision History

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

Changes from Revision A (December 2017) to Revision B

Page

•

Changed data sheet title from: TMP461-SP Radiation Hardened Remote and Local Digital Temperature Sensor to:

TMP461-SP Radiation-Hardness-Assured (RHA), High-Accuracy Remote and Local Temperature Sensor ........................ 1

•

Removed 50 krad(Si) HDR statement in the Features section. Switched to RHA Filter ....................................................... 1

•

Added 5962R1721801VXC RHA orderable to the Device Information table ......................................................................... 1

•

Added tablenote to thermal pad description in the Pin Functions table ................................................................................. 3

•

Updated layout example for CFP package .......................................................................................................................... 29

Changes from Original (September 2017) to Revision A

Page

•

Changed the device status from Advance Information to Production Data............................................................................ 1