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INA302, INA303

SBOS775C – SEPTEMBER 2016 – REVISED MARCH 2019

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Copyright © 2016–2019, Texas Instruments Incorporated

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 ............................................ 14

7.1

Overview ................................................................. 14

7.2

Functional Block Diagram ....................................... 14

7.3

Feature Description................................................. 15

7.4

Device Functional Modes........................................ 21

8

Application and Implementation ........................ 23

8.1

Application Information .......................................... 23

8.2

Typical Application .................................................. 29

9

Power Supply Recommendations ...................... 31

10

Layout................................................................... 31

10.1

Layout Guidelines ................................................. 31

10.2

Layout Example .................................................... 32

11

Device and Documentation Support ................. 33

11.1

Documentation Support ....................................... 33

11.2

Related Links ........................................................ 33

11.3

Receiving Notification of Documentation Updates 33

11.4

Community Resources.......................................... 33

11.5

Trademarks ........................................................... 33

11.6

Electrostatic Discharge Caution ............................ 33

11.7

Glossary ................................................................ 33

12

Mechanical, Packaging, and Orderable

Information ........................................................... 33

4 Revision History

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

Changes from Revision B (April 2017) to Revision C

Page

•

Changed locations and text of some sections for clarity; no content was changed............................................................... 1

•

Added MIN and MAX values to VCM and VS rows of Recommended Operating Conditions table......................................... 4

•

Deleted VCM, VS, and temperature range rows from Electrical Characteristics table; same content listed in

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

Changes from Revision A (February 2017) to Revision B

Page

•

Changed y-axis units from 0.5 V/div to 1 V/div and changed (INA30xA1) to (INA30x) in title of Comparator 1 Total

Propagation Delay figure ...................................................................................................................................................... 12

•

Changed y-axis units from 0.5 V/div to 1 V/div and changed (INA303A1) to (INA303) in title of Comparator 2 Total

Propagation Delay figure ...................................................................................................................................................... 12

•

Deleted Comparator 1 Total Propagation Delay (INA30xA2), Comparator 1 Total Propagation Delay (INA30xA3),

Comparator 2 Total Propagation Delay (INA303A2), and Comparator 2 Total Propagation Delay (INA303A3) figures ..... 12

•

Changed (INA303A1) to (INA303) in title of Comparator 2 Total Propagation Delay figure ................................................ 12

•

Deleted Comparator 2 Total Propagation Delay (INA303A2) and Comparator 2 Total Propagation Delay (INA303A3)

figures ................................................................................................................................................................................... 12

•

Added Comparator 2 Total Propagation Delay (INA302A1) and Comparator 2 Total Propagation Delay (INA302A1)

figures ................................................................................................................................................................................... 12

Changes from Original (September 2016) to Revision A

Page

•

Released to production .......................................................................................................................................................... 1