Table of Contents

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

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

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

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

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

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

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

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

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

6.4 Thermal Information: OPA388.................................... 6

6.5 Thermal Information: OPA2388.................................. 7

6.6 Thermal Information: OPA4388.................................. 7

6.7 Electrical Characteristics: VS = ±1.25 V to ±2.75

V (VS = 2.5 to 5.5 V)..................................................... 7

6.8 Typical Characteristics.............................................. 10

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

7.1 Overview................................................................... 18

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

7.3 Feature Description...................................................19

7.4 Device Functional Modes..........................................20

8 Application and Implementation.................................. 21

8.1 Application Information............................................. 21

8.2 Typical Applications.................................................. 21

9 Power Supply Recommendations................................25

10 Layout...........................................................................26

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

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

11 Device and Documentation Support..........................27

11.1 Device Support........................................................27

11.2 Documentation Support.......................................... 27

11.3 Related Links.......................................................... 27

11.4 Receiving Notification of Documentation Updates.. 27

11.5 Support Resources................................................. 27

11.6 Trademarks............................................................. 28

11.7 Electrostatic Discharge Caution.............................. 28

11.8 Glossary.................................................................. 28

12 Mechanical, Packaging, and Orderable

Information.................................................................... 28

4 Revision History

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

Changes from Revision C (May 2019) to Revision D (July 2020)

Page

• Changed OPA2388 SOIC-8 (D) package from advanced information (preview) to production data (active) .... 1

• Changed typical application schematic to show correct locations for reference designators............................. 1

• Changed Figure 8-5 to show correct locations for reference designators ....................................................... 25

Changes from Revision B (January 2019) to Revision C (May 2019)

Page

• Changed OPA4388 from advanced information (preview) to production data (active).......................................1

• Added VOS specifications for OPA4388.............................................................................................................7

• Added dVOS/dT specifications for OPA4388......................................................................................................7

• Added PSRR specifications for OPA4388.......................................................................................................... 7

• Added IB specifications for OPA4388.................................................................................................................7

• Added IOS specifications for OPA4388.............................................................................................................. 7

• Added CMRR specifications for OPA4388..........................................................................................................7

• Added AOL specifications for OPA4388............................................................................................................. 7

Changes from Revision A (July 2018) to Revision B (January 2019)

Page

• Changed OPA388 DBV (SOT-23) package from preview to production data ....................................................1

• Deleted redundant temperature specification in EC table.................................................................................. 7

• Added Figure 6, Offset Voltage vs Supply Voltage: OPA4388 .........................................................................10

• Added Figure 7, Offset Voltage Long Term Drift ..............................................................................................10

• Changed Figure 50, OPA388 Layout Example; updated for accuracy............................................................. 26

OPA388, OPA2388, OPA4388

SBOS777D – NOVEMBER 2016 – REVISED JULY 2020

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