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OPA172, OPA2172, OPA4172

SBOS618I – DECEMBER 2013 – REVISED MAY 2018

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Product Folder Links: OPA172 OPA2172 OPA4172

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Copyright © 2013–2018, Texas Instruments Incorporated

Table of Contents

1

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

2

Applications ........................................................... 1

3

Description ............................................................. 1

4

Revision History..................................................... 2

5

Device Comparison ............................................... 4

5.1

Device Comparison................................................... 4

5.2

Device Family Comparison ....................................... 4

6

Pin Configuration and Functions ......................... 5

7

Specifications......................................................... 7

7.1

Absolute Maximum Ratings ..................................... 7

7.2

ESD Ratings.............................................................. 7

7.3

Recommended Operating Conditions ....................... 7

7.4

Thermal Information: OPA172 .................................. 8

7.5

Thermal Information: OPA2172 ................................ 8

7.6

Thermal Information: OPA4172 ................................ 8

7.7

Electrical Characteristics........................................... 9

7.8

Typical Characteristics: Table of Graphs ................ 11

7.9

Typical Characteristics ............................................ 12

8

Detailed Description ............................................ 19

8.1

Overview ................................................................. 19

8.2

Functional Block Diagram ....................................... 19

8.3

Feature Description................................................. 20

8.4

Device Functional Modes........................................ 22

9

Applications and Implementation ...................... 25

9.1

Application Information............................................ 25

9.2

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

10

Power-Supply Recommendations ..................... 28

11

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

11.1

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

11.2

Layout Example .................................................... 29

12

Device and Documentation Support ................. 30

12.1

Device Support...................................................... 30

12.2

Documentation Support ........................................ 30

12.3

Related Links ........................................................ 30

12.4

Community Resources.......................................... 30

12.5

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

12.6

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

12.7

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

13

Mechanical, Packaging, and Orderable

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

4 Revision History

Changes from Revision H (September 2015) to Revision I

Page

•

Changed supply voltage values within Absolute Maximum Ratings table ............................................................................. 7

Changes from Revision G (June 2015) to Revision H

Page

•

Added DRG package to OPA2172 device ............................................................................................................................ 1

•

Added WSON to last Features bullet .................................................................................................................................... 1

•

Added OPA2172 WSON row to Device Information table...................................................................................................... 1

•

Added WSON-8 to OPA2172 row of Device Comparison table ............................................................................................ 4

•

Added DRG pinout drawing ................................................................................................................................................... 6

•

Added DRG column to OPA2172 and OPA4172 Pin Functions table .................................................................................. 6

•

Added DRG column to OPA2172 Thermal Information table ................................................................................................ 8

Changes from Revision F (June 2015) to Revision G

Page

•

Added input bias current (IB) values for DGK and PW packages. ......................................................................................... 9

Changes from Revision E (December 2014) to Revision F

Page

•

Changed device status to Production Data from Mixed Status.............................................................................................. 1

•

Changed OPA2172 DGK and OPA4172 PW packages to Production Data.......................................................................... 1

•

Added OPA2172 VSSOP and OPA4172 TSSOP rows to Device Information table ............................................................. 1

•

Deleted footnote from Device Comparison table.................................................................................................................... 4

•

Deleted footnote from OPA2172 DGK and OPA4172 PW pin out drawings ........................................................................ 6

•

Added OPA2172 DGK thermal information ........................................................................................................................... 8