Table of Contents

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

2 Applications..................................................................... 1

3 Description.......................................................................1

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

5 Device Comparison Table...............................................4

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: OPA863.................................... 8

7.5 Thermal Information: OPA2863.................................. 8

7.6 Thermal Information: OPA4863.................................. 8

7.7 Electrical Characteristics: VS = 10 V ..........................9

7.8 Electrical Characteristics: VS = 3 V........................... 11

7.9 Typical Characteristics: VS = 10 V............................ 13

7.10 Typical Characteristics: VS = 3 V............................ 18

7.11 Typical Characteristics: VS = 3 V to 10 V................ 20

8 Detailed Description......................................................22

8.1 Overview................................................................... 22

8.2 Functional Block Diagram......................................... 22

8.3 Feature Description...................................................23

8.4 Device Functional Modes..........................................24

9 Application and Implementation.................................. 25

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

9.2 Low-Side Current Sensing........................................ 25

9.3 Front-End Gain and Filtering.....................................26

9.4 Low-Power SAR ADC Driver and Reference

Buffer...........................................................................27

9.5 Variable Reference Generator Using MDAC............ 27

9.6 Clamp-On Ultrasonic Flow Meter..............................28

10 Power Supply Recommendations..............................29

11 Layout........................................................................... 29

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

11.2 Layout Example...................................................... 30

12 Device and Documentation Support..........................31

12.1 Documentation Support.......................................... 31

12.2 Receiving Notification of Documentation Updates..31

12.3 Support Resources................................................. 31

12.4 Trademarks.............................................................31

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

12.6 Glossary..................................................................31

13 Mechanical, Packaging, and Orderable

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

4 Revision History

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

Changes from Revision H (August 2022) to Revision I (December 2022)

Page

• Changed the statuts of the DBV package, 5-pin SOT23 from: preview to: production ......................................1

Changes from Revision G (July 2022) to Revision H (August 2022)

Page

• Changed the status of the RUN Package, from: preview to: production ........................................................... 4

Changes from Revision F (April 2022) to Revision G (July 2022)

Page

• Added OPAx863A information to the Features section...................................................................................... 1

• Added the DBV package, 5-pin SOT23 to the data sheet.................................................................................. 1

• Changed the status of the D Package, from: preview to: production .................................................................4

• Updated the Output Voltage vs Load Current and Output Voltage vs Load Current figures to show typical

device performance.......................................................................................................................................... 13

Changes from Revision E (November 2021) to Revision F (April 2022)

Page

• Added the D package, 8-pin SOIC and RUN package, 10-pin WQFN to the data sheet................................... 1

Changes from Revision D (July 2021) to Revision E (November 2021)

Page

• Updated the title of the data sheet......................................................................................................................1

• Updated the Description section.........................................................................................................................1

• Changed the status of the DBV Package, from: preview to: production ............................................................4

• Removed footnote from Electrical Characteristics: 10 V and Electrical Characteristics: 3 V tables................... 9

• Removed the links to the Noninverting and Inverting Amplifier figures in the Typical Characteristics: VS = 10

V, Typical Characteristics: VS = 3 V, and Typical Characteristics: VS = 3 V to 10 V sections...........................13

• Updated the title of the Frequency Response vs Load Capacitance, Frequency Response vs Ambient

Temperature, and Frequency Response vs Output Voltage figures in the Typical Characteristics: VS = 10 V

section.............................................................................................................................................................. 13

OPA863, OPA2863, OPA4863

SBOS982I – JUNE 2020 – REVISED DECEMBER 2022

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