Table of Contents

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

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

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

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

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

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

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

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

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

6.4 Thermal Information: OPA277.................................... 7

6.5 Thermal Information: OPA2277.................................. 7

6.6 Thermal Information: OPA4277.................................. 7

6.7 Electrical Characteristics.............................................8

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

7 Detailed Description......................................................14

7.1 Overview................................................................... 14

7.2 Functional Block Diagram......................................... 14

7.3 Feature Description...................................................14

7.4 Device Functional Modes..........................................17

8 Application and Implementation.................................. 18

8.1 Application Information............................................. 18

8.2 Typical Applications.................................................. 18

8.3 Power Supply Recommendations.............................20

8.4 Layout....................................................................... 21

9 Device and Documentation Support............................23

9.1 Device Support......................................................... 23

9.2 Documentation Support............................................ 24

9.3 Receiving Notification of Documentation Updates....24

9.4 Support Resources................................................... 24

9.5 Trademarks...............................................................24

9.6 Electrostatic Discharge Caution................................24

9.7 Glossary....................................................................24

10 Mechanical, Packaging, and Orderable

Information.................................................................... 24

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 (February 2023)

Page

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

• Changed Applications bullets to include links.....................................................................................................1

• Deleted text regarding identical specification for the single, dual, and quad versions........................................1

• Changed Offset Trim pin type from "Input" to "—".............................................................................................. 3

• Changed "DFN" to "DRM (VSON)" in OPA2277 Pin Functions table................................................................. 3

• Added table note for 10-mA current limit on input pins in Absolute Maxiimum Ratings .................................... 6

• Deleted operating temperature from Absolute Maximum Ratings ..................................................................... 6

• Deleted lead temperature from Absolute Maximum Ratings ............................................................................. 6

• Changed Thermal Information values for OPA2277 and OPA4277 SOIC packages..........................................7

• Added test conditions to Electrical Characteristics header.................................................................................8

• Changed format of Electrical Characteristcs for readability................................................................................8

• Changed input offset voltage vs. time to long-term drift in Electrical Characteristics ........................................ 8

• Changed input bias current test condition to separate over temperature specification...................................... 8

• Deleted redundant row in open-loop gain parameter......................................................................................... 8

• Changed CLOAD to CL for consistency................................................................................................................ 8

• Changed Figure 6-14, Change in Input Bias Current vs Common-Mode Voltage, to correct typo in note....... 10

• Changed "DFN package" to "DRM package (8-pin VSON)".............................................................................21

• Changed "DFN package" to "DRM Package" and added "8-Pin VSON"..........................................................21

• Changed Development Support section to show updated links and resources................................................23

Changes from Revision A (April 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

OPA277, OPA2277, OPA4277

SBOS079C – MARCH 1999 – REVISED FEBRUARY 2023

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