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INA821

SBOS893A – AUGUST 2018 – REVISED DECEMBER 2018

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Copyright © 2018, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

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

4

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

5

Device Comparison Table..................................... 3

6

Pin Configuration and Functions ......................... 4

7

Specifications......................................................... 5

7.1

Absolute Maximum Ratings ...................................... 5

7.2

ESD Ratings ............................................................ 5

7.3

Recommended Operating Conditions ....................... 5

7.4

Thermal Information .................................................. 5

7.5

Electrical Characteristics........................................... 6

7.6

Typical Characteristics - Table of Graphs................. 8

7.7

Typical Characteristics ............................................ 10

8

Detailed Description ............................................ 19

8.1

Overview ................................................................. 19

8.2

Functional Block Diagram ....................................... 19

8.3

Feature Description................................................. 20

8.4

Device Functional Modes........................................ 27

9

Application and Implementation ........................ 28

9.1

Application Information............................................ 28

9.2

Typical Application .................................................. 31

9.3

Other Application Examples.................................... 33

10

Power Supply Recommendations ..................... 34

11

Layout................................................................... 34

11.1

Layout Guidelines ................................................. 34

11.2

Layout Example .................................................... 35

12

Device and Documentation Support ................. 36

12.1

Documentation Support ........................................ 36

12.2

Receiving Notification of Documentation Updates 36

12.3

Community Resources.......................................... 36

12.4

Trademarks ........................................................... 36

12.5

Electrostatic Discharge Caution ............................ 36

12.6

Glossary ................................................................ 36

13

Mechanical, Packaging, and Orderable

Information ........................................................... 36

4 Revision History

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

Changes from Original (August 2018) to Revision A

Page

•

First release of production-data data sheet ........................................................................................................................... 1