2

OPA170, OPA2170, OPA4170

SBOS557D – AUGUST 2011 – REVISED OCTOBER 2017

www.ti.com

Product Folder Links: OPA170 OPA2170 OPA4170

Submit Documentation Feedback

Copyright © 2011–2017, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

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

4

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

5

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

6

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

7

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

7.1

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

7.2

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

7.3

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

7.4

Thermal Information: OPA170 .................................. 8

7.5

Thermal Information: OPA2170 ................................ 8

7.6

Thermal Information: OPA4170 ................................ 8

7.7

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

7.8

Typical Characteristics ............................................ 11

8

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

8.1

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

8.2

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

8.3

Feature Description................................................. 18

8.4

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

9

Application and Implementation ........................ 23

9.1

Application Information............................................ 23

9.2

Typical Application .................................................. 23

10

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

11

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

11.1

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

11.2

Layout Example .................................................... 26

12

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

12.1

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

12.2

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

12.3

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

12.4

Receiving Notification of Documentation Updates 29

12.5

Community Resources.......................................... 29

12.6

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

12.7

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

12.8

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

13

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 (March 2016) to Revision D

Page

•

Added WEBENCH links and sections and Receiving Notification of Documentation Updates.............................................. 1

•

Added 8-Pin DSG (WSON) package...................................................................................................................................... 1

•

Changed values in Equivalent Internal ESD Circuitry Relative to a Typical Circuit Application from: 250 Ω to: 2.5 Ω........ 20

Changes from Revision B (September 2012) to Revision C

Page

•

Added current package designators to Features list and final paragraph of Description section .......................................... 1

•

Added Pin Functions table, ESD Ratings table, Recommended Operating Conditions table, Detailed Description

section, Application and Implementation section, Power Supply Recommendations section, Layout section, Device

and Documentation Support section, and Mechanical, Packaging, and Orderable Information section ............................... 1

Changes from Revision A (September 2011) to Revision B

Page

•

Added "Value Line Series" to document title.......................................................................................................................... 1