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OPA189, OPA2189

SBOS830C – SEPTEMBER 2017 – REVISED OCTOBER 2018

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Product Folder Links: OPA189 OPA2189

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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

Device Family Comparison Table ........................ 3

6

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

7

Specifications......................................................... 6

7.1

Absolute Maximum Ratings ...................................... 6

7.2

ESD Ratings.............................................................. 6

7.3

Recommended Operating Conditions ....................... 6

7.4

Thermal Information: OPA189 .................................. 7

7.5

Thermal Information: OPA2189 ................................ 7

7.6

Electrical Characteristics........................................... 8

7.7

Typical Characteristics ............................................ 10

8

Detailed Description ............................................ 18

8.1

Overview ................................................................. 18

8.2

Functional Block Diagram ....................................... 18

8.3

Feature Description................................................. 19

8.4

Device Functional Modes........................................ 25

9

Application and Implementation ........................ 26

9.1

Application Information............................................ 26

9.2

Typical Applications ................................................ 26

9.3

System Examples ................................................... 31

10

Power Supply Recommendations ..................... 32

11

Layout................................................................... 33

11.1

Layout Guidelines ................................................. 33

11.2

Layout Example .................................................... 33

12

Device and Documentation Support ................. 34

12.1

Device Support...................................................... 34

12.2

Documentation Support ........................................ 34

12.3

Related Links ........................................................ 34

12.4

Receiving Notification of Documentation Updates 35

12.5

Community Resources.......................................... 35

12.6

Trademarks ........................................................... 35

12.7

Electrostatic Discharge Caution ............................ 35

12.8

Glossary ................................................................ 35

13

Mechanical, Packaging, and Orderable

Information ........................................................... 35

4 Revision History

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

Changes from Revision B (October 2018) to Revision C

Page

•

First release of production-data sheet for OPA189IDGK ....................................................................................................... 1

Changes from Revision A (November 2017) to Revision B

Page

•

Added input offset for OPA2189ID ......................................................................................................................................... 8

•

Added input offset drift for OPA2189ID .................................................................................................................................. 8

Changes from Original (September 2017) to Revision A

Page

•

First release of production-data sheet for OPA189ID device ................................................................................................ 1