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OPA145, OPA2145

SBOS427D – JUNE 2017 – REVISED JUNE 2020

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Product Folder Links: OPA145 OPA2145

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Copyright © 2017–2020, 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: OPA145 .................................. 5

6.5

Thermal Information: OPA2145 ................................ 5

6.6

to ±18 V...................................................................... 6

6.7

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

7

Detailed Description ............................................ 16

7.1

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

7.2

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

7.3

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

7.4

Device Functional Modes........................................ 23

8

Application and Implementation ........................ 24

8.1

Application Information............................................ 24

8.2

Typical Application ................................................. 24

8.3

System Examples ................................................... 25

9

Power Supply Recommendations ...................... 27

10

Layout................................................................... 27

10.1

Layout Guidelines ................................................. 27

10.2

Layout Example .................................................... 28

11

Device and Documentation Support ................. 29

11.1

Device Support...................................................... 29

11.2

Documentation Support ........................................ 29

11.3

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

11.4

Receiving Notification of Documentation Updates 30

11.5

Support Resources ............................................... 30

11.6

Trademarks ........................................................... 30

11.7

Electrostatic Discharge Caution ............................ 30

11.8

Glossary ................................................................ 30

12

Mechanical, Packaging, and Orderable

Information ........................................................... 30

4 Revision History

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

Changes from Revision C (July 2018) to Revision D

Page

•

Added OPA2145 advanced information (preview) device and associated content to data sheet.......................................... 1

Changes from Revision B (May 2018) to Revision C

Page

•

Deleted "preview" from information re: DBV (SOT-23) package, now released ................................................................... 1

•

Changed status of data sheet to "Production Data" .............................................................................................................. 1

Changes from Revision A (March 2018) to Revision B

Page

•

Deleted "preview" from information re: DGK (VSSOP) package, now released ................................................................... 1

Changes from Original (June 2017) to Revision A

Page

•

Added preview of DBV and DGK packages; removed content regarding future device releases ........................................ 1