INA745AIRELR datasheet(2/50 Pages) TI2

2 / 50 page

Table of Contents

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

2 Applications..................................................................... 1

3 Description.......................................................................1

4 Pin Configuration and Functions...................................3

5 Specifications.................................................................. 4

5.1 Absolute Maximum Ratings........................................ 4

5.2 ESD Ratings............................................................... 4

5.3 Recommended Operating Conditions.........................4

5.4 Thermal Information....................................................4

5.5 Electrical Characteristics.............................................5

5.6 Timing Requirements (I2C)......................................... 7

5.7 Timing Diagram ..........................................................7

5.8 Typical Characteristics................................................ 8

6 Detailed Description......................................................12

6.1 Overview................................................................... 12

6.2 Functional Block Diagram......................................... 12

6.3 Feature Description...................................................12

6.4 Device Functional Modes..........................................20

6.5 Programming............................................................ 20

7 Register Maps................................................................ 24

7.1 INA745x Registers.................................................... 24

8 Application and Implementation.................................. 32

8.1 Application Information............................................. 32

8.2 Typical Application.................................................... 34

8.3 Power Supply Recommendations.............................37

8.4 Layout....................................................................... 37

9 Device and Documentation Support............................39

9.1 Documentation Support............................................ 39

9.2 Receiving Notification of Documentation Updates....39

9.3 Support Resources................................................... 39

9.4 Trademarks...............................................................39

9.5 Electrostatic Discharge Caution................................39

9.6 Glossary....................................................................39

10 Revision History.......................................................... 39

11 Mechanical, Packaging, and Orderable

Information.................................................................... 39

INA745A, INA745B

SBOSAC3B – JULY 2023 – REVISED AUGUST 2025

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