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 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

• Added the Quiescent Current Distribution, Input Bias Current Distribution, Input Offset Voltage Distribution,

Input Offset Voltage Drift Distribution, Input Offset Voltage Drift Distribution, Quiescent Current vs Ambient

Temperature, Input Bias Current vs Ambient Temperature, Input Offset Voltage vs Ambient Temperature,

OPA863, OPA2863, OPA4863

SBOS982H – JUNE 2020 – REVISED AUGUST 2022

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