2

OPA2863

SBOS982A – JUNE 2020 – REVISED JUNE 2020

www.ti.com

Product Folder Links: OPA2863

Submit Documentation Feedback

Copyright © 2020, 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 ......................... 3

7

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

7.1

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

7.2

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

7.3

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

7.4

Thermal Information .................................................. 6

7.5

Electrical Characteristics: 10 V ................................. 7

7.6

8

Detailed Description .............................................. 9

8.1

Overview ................................................................... 9

8.2

Functional Block Diagram ......................................... 9

8.3

Feature Description................................................. 10

8.4

Device Functional Modes........................................ 11

9

Application and Implementation ........................ 12

9.1

Application Information............................................ 12

9.2

Low-Side Current Sensing ...................................... 13

9.3

Transimpedance Amplifier ..................................... 14

9.4

Low-Power SAR ADC Driver and Reference Buffer

.................................................................................16

9.5

Front-End Gain and Filtering................................... 16

9.6

Clamp-On Ultrasonic Flow Meter............................ 17

9.7

Variable Reference Generator Using MDAC .......... 17

10

Power Supply Recommendations ..................... 18

11

Layout................................................................... 18

11.1

Layout Guidelines ................................................. 18

11.2

Layout Example .................................................... 20

12

Device and Documentation Support ................. 21

12.1

Documentation Support ....................................... 21

12.2

Related Links ........................................................ 21

12.3

Receiving Notification of Documentation Updates 21

12.4

Community Resources.......................................... 21

12.5

Trademarks ........................................................... 21

12.6

Electrostatic Discharge Caution ............................ 21

12.7

Glossary ................................................................ 21

13

Mechanical, Packaging, and Orderable

Information ........................................................... 21

4 Revision History

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

Changes from Original (June 2020) to Revision A

Page

•

Updated links to product folder............................................................................................................................................... 1