Table of Contents

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

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

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

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

5 Pin Configuration and Functions...................................3

6 Specifications.................................................................. 5

6.1 Absolute Maximum Ratings........................................ 5

6.2 ESD Ratings............................................................... 5

6.3 Recommended Operating Conditions.........................5

6.4 Thermal Information: OPA227, OPA228..................... 6

6.5 Thermal Information: OPA2227, OPA2228................. 6

6.6 Thermal Information: OPA4227, OPA4228................. 6

6.7 Electrical Characteristics: OPAx227 .......................... 7

6.8 Electrical Characteristics: OPAx228 .......................... 9

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

7 Detailed Description......................................................17

7.1 Overview................................................................... 17

7.2 Functional Block Diagram......................................... 17

7.3 Feature Description...................................................17

7.4 Device Functional Modes..........................................24

8 Application and Implementation.................................. 25

8.1 Application Information............................................. 25

8.2 Typical Application.................................................... 25

8.3 Power Supply Recommendations.............................29

8.4 Layout....................................................................... 30

9 Device and Documentation Support............................31

9.1 Device Support......................................................... 31

9.2 Documentation Support............................................ 31

9.3 Receiving Notification of Documentation Updates....31

9.4 Support Resources................................................... 31

9.5 Trademarks...............................................................31

9.6 Electrostatic Discharge Caution................................31

9.7 Glossary....................................................................32

10 Mechanical, Packaging, and Orderable

Information.................................................................... 32

4 Revision History

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

Changes from Revision B (April 2015) to Revision C (November 2022)

Page

• Updated the numbering format for tables, figures, and cross-references throughout the document..................1

• Added dual supply voltage in Absolute Maximum Ratings ................................................................................ 5

• Added symbol for output short circuit in Absolute Maximum Ratings ................................................................5

• Added symbol for operating temperature in Absolute Maximum Ratings ..........................................................5

• Added symbol for junction temperature in Absolute Maximum Ratings ............................................................ 5

• Changed HBM value in ESD Ratings ................................................................................................................ 5

• Added CDM in ESD Ratings ..............................................................................................................................5

• Changed to single supply voltage and dual supply voltage in Recommended Operating Conditions ............... 5

• Changed format of thermal information tables for better clarity.......................................................................... 6

• Changed package to P (PDIP) for OPA222xP and OPA222xPA devices in Thermal Information .....................6

• Deleted redundant power supply voltage from Electrical Characteristics of OPAx227 because same

information already listed in Recommended Operating Conditions ...................................................................7

• Deleted redundant temperature from Electrical Characteristics of OPAx227 because same information

already listed in Recommended Operating Conditions ......................................................................................7

• Deleted redundant power supply voltage from Electrical Characteristics of OPAx228 because same

information already listed in Recommended Operating Conditions....................................................................9

• Deleted redundant temperature from Electrical Characterisitcs of OPAx228 because same information

already listed in Recommended Operating Conditions ......................................................................................9

Changes from Revision A (January 2005) to Revision B (April 2015)

Page

• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and

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

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

OPA227, OPA2227, OPA4227

OPA228, OPA2228, OPA4228

SBOS110C – MAY 1998 – REVISED MARCH 2023

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