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INA828

SBOS792A – AUGUST 2017 – REVISED JANUARY 2018

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Copyright © 2017–2018, 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 ............................................ 16

7.1

Overview ................................................................. 16

7.2

Functional Block Diagram ....................................... 16

7.3

Feature Description................................................. 17

7.4

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

8

Application and Implementation ........................ 22

8.1

Reference Terminal................................................. 22

8.2

Input Bias Current Return Path............................... 24

8.3

PCB Assembly Effects on Precision ....................... 25

8.4

Typical Application .................................................. 26

8.5

Other Application Examples.................................... 28

9

Power Supply Recommendations ...................... 29

10

Layout................................................................... 29

10.1

Layout Guidelines ................................................. 29

10.2

Layout Example .................................................... 30

11

Device and Documentation Support ................. 31

11.1

Documentation Support ........................................ 31

11.2

Receiving Notification of Documentation Updates 31

11.3

Community Resources.......................................... 31

11.4

Trademarks ........................................................... 31

11.5

Electrostatic Discharge Caution ............................ 31

11.6

Glossary ................................................................ 31

12

Mechanical, Packaging, and Orderable

Information ........................................................... 31

4 Revision History

Changes from Original (August 2017) to Revision A

Page

•

Changed MAX value for G = 1 in "GE" row from "±0.020%" to "±0.025%"............................................................................ 5