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

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

7.1 Overview................................................................... 13

7.2 Functional Block Diagram......................................... 13

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

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

8 Application and Implementation.................................. 20

8.1 Application Information............................................. 20

8.2 Typical Applications.................................................. 25

9 Power Supply Recommendations................................26

10 Layout...........................................................................27

10.1 Layout Guidelines................................................... 27

10.2 Layout Examples.................................................... 27

11 Device and Documentation Support..........................29

11.1 Documentation Support.......................................... 29

11.2 Receiving Notification of Documentation Updates.. 29

11.3 Support Resources................................................. 29

11.4 Trademarks............................................................. 29

11.5 Electrostatic Discharge Caution.............................. 29

11.6 Glossary.................................................................. 29

12 Mechanical, Packaging, and Orderable

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

4 Revision History

Changes from Revision * (May 2019) to Revision A (March 2022)

Page

• Changed data sheet title from: INA190-Q1 Automotive, 40-V, High Precision, Low Bias Current, Low Power,

Current Sense Amplifier to: INA190-Q1 AEC-Q100, 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier

With picoamp IB and ENABLE........................................................................................................................... 1

• Updated the numbering format for tables, figures, and cross-references throughout the document..................1

• Added Functional Safety information to the Features section............................................................................ 1

• Added bullet to the Features section: Low shutdown current: 100 nA (maximum) ............................................1

• Added bullet to the Features section: Common-mode rejection ratio: 132 dB (minimum) ................................ 1

• Changed the maximum gain drift in Features from: 5 ppm/°C to: 7 ppm/°C to match values in the Electrical

Characteristics table........................................................................................................................................... 1

• Changed the maximum offset drift in Features from: 0.13 µV/°C to: 80 nV/°C to match values in the Electrical

Characteristics table........................................................................................................................................... 1

• Changed the Applications section...................................................................................................................... 1

• Added DDF 8-pin SOT-23 package.................................................................................................................... 1

INA190-Q1

SBOS871A – MAY 2019 – REVISED MARCH 2022

www.ti.com

2

Submit Document Feedback

Copyright © 2022 Texas Instruments Incorporated

Product Folder Links: INA190-Q1