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INA180, INA2180, INA4180

SBOS741B – APRIL 2017 – REVISED NOVEMBER 2017

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Product Folder Links: INA180 INA2180 INA4180

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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................................................. 15

8.4

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

9

Application and Implementation ........................ 18

9.1

Application Information............................................ 18

9.2

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

10

Power Supply Recommendations ..................... 24

10.1

Common-Mode Transients Greater Than 26 V .... 24

11

Layout................................................................... 25

11.1

Layout Guidelines ................................................. 25

11.2

Layout Example .................................................... 25

12

Device and Documentation Support ................. 28

12.1

Documentation Support ........................................ 28

12.2

Related Links ........................................................ 28

12.3

Receiving Notification of Documentation Updates 28

12.4

Community Resources.......................................... 28

12.5

Trademarks ........................................................... 28

12.6

Electrostatic Discharge Caution ............................ 28

12.7

Glossary ................................................................ 28

13

Mechanical, Packaging, and Orderable

Information ........................................................... 29

4 Revision History

Changes from Revision A (August 2017) to Revision B

Page

•

Added INA4180 device and associated content to data sheet............................................................................................... 1

•

Changed design parameter name in Table 3 from "Accuracy" to "Current sensing error" for clarity .................................. 22

•

Changed "RMS" to "RSS" in reference to equation 7 .......................................................................................................... 23

Changes from Original (April 2017) to Revision A

Page

•

Added INA2180 device and associated content to data sheet............................................................................................... 1