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INA181, INA2181

SBOS793A – APRIL 2017 – REVISED AUGUST 2017

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Product Folder Links: INA181 INA2181

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Copyright © 2017, 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 Configurations and Functions ....................... 3

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 .............................................. 7

8

Detailed Description ............................................ 13

8.1

Overview ................................................................. 13

8.2

Functional Block Diagrams ..................................... 13

8.3

Feature Description................................................. 14

8.4

Device Functional Modes........................................ 16

9

Application and Implementation ........................ 19

9.1

Application Information............................................ 19

9.2

Typical Application .................................................. 23

10

Power Supply Recommendations ..................... 25

10.1

Common-Mode Transients Greater Than 26 V .... 25

11

Layout................................................................... 26

11.1

Layout Guidelines ................................................. 26

11.2

Layout Example .................................................... 26

12

Device and Documentation Support ................. 27

12.1

Documentation Support ........................................ 27

12.2

Related Links ........................................................ 27

12.3

Receiving Notification of Documentation Updates 27

12.4

Community Resources.......................................... 27

12.5

Trademarks ........................................................... 27

12.6

Electrostatic Discharge Caution ............................ 27

12.7

Glossary ................................................................ 27

13

Mechanical, Packaging, and Orderable

Information ........................................................... 27

4 Revision History

Changes from Original (April 2017) to Revision A

Page

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Added INA2181 device and associated content to data sheet............................................................................................... 1