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OPA1678, OPA1679

SBOS855A – FEBRUARY 2017 – REVISED MAY 2018

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Product Folder Links: OPA1678 OPA1679

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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......................................................... 5

6.1

Absolute Maximum Ratings ...................................... 5

6.2

ESD Ratings.............................................................. 5

6.3

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

6.4

Thermal Information: OPA1678 ................................ 6

6.5

Thermal Information: OPA1679 ................................ 6

6.6

6.7

Typical Characteristics .............................................. 9

7

Detailed Description ............................................ 14

7.1

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

7.2

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

7.3

Feature Description................................................. 14

7.4

Device Functional Modes........................................ 18

8

Application and Implementation ........................ 19

8.1

Application Information............................................ 19

8.2

Typical Application .................................................. 20

9

Power Supply Recommendations ...................... 26

10

Layout................................................................... 26

10.1

Layout Guidelines ................................................. 26

10.2

Layout Example .................................................... 27

10.3

Power Dissipation ................................................. 27

11

Device and Documentation Support ................. 28

11.1

Device Support...................................................... 28

11.2

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

11.3

Related Links ........................................................ 29

11.4

Receiving Notification of Documentation Updates 29

11.5

Community Resource............................................ 29

11.6

Trademarks ........................................................... 29

11.7

Electrostatic Discharge Caution ............................ 29

11.8

Glossary ................................................................ 29

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 Original (February 2017) to Revision A

Page

•

Added SON-8 package to Features list.................................................................................................................................. 1

•

Added DRG (SON) 8-pin package to Device Information table ............................................................................................ 1

•

Added DRG (SON) 8-pin pinout drawing to Pin Configuration and Functions section .......................................................... 3

•

Added thermal pad information to Pin Functions: OPA1678 table......................................................................................... 3

•

Added DRG (SON) thermal information to Thermal Information: OPA1678 table ................................................................. 6