Table of Contents

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

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

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

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

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

6 Specifications.................................................................. 4

6.1 Absolute Maximum Ratings ....................................... 4

6.2 ESD Ratings .............................................................. 4

6.3 Recommended Operating Conditions ........................4

6.4 Thermal Information: OPA145 ................................... 5

6.5 Thermal Information: OPA2145 ................................. 5

6.6 Electrical Characteristics: VS = 4.5 V to 36 V;

±2.25 V to ±18 V ...........................................................6

6.7 Typical Characteristics................................................ 8

7 Detailed Description......................................................16

7.1 Overview................................................................... 16

7.2 Functional Block Diagram......................................... 16

7.3 Feature Description...................................................16

7.4 Device Functional Modes..........................................22

8 Application and Implementation.................................. 23

8.1 Application Information............................................. 23

8.2 Typical Application.................................................... 23

8.3 System Examples..................................................... 24

9 Power Supply Recommendations................................26

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

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

10.2 Layout Example...................................................... 27

11 Device and Documentation Support..........................28

11.1 Device Support........................................................28

11.2 Documentation Support.......................................... 28

11.3 Receiving Notification of Documentation Updates.. 28

11.4 Support Resources................................................. 29

11.5 Trademarks............................................................. 29

11.6 Electrostatic Discharge Caution.............................. 29

11.7 Glossary.................................................................. 29

12 Mechanical, Packaging, and Orderable

Information.................................................................... 29

4 Revision History

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

Changes from Revision D (June 2020) to Revision E (October 2020)

Page

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

• Added OPA2145 advanced information (preview) DGK (VSSOP-8) package and associated content to data

sheet................................................................................................................................................................... 1

• Deleted Operating Voltage section; redundant information.............................................................................. 16

Changes from Revision C (July 2018) to Revision D (June 2020)

Page

• Added OPA2145 advanced information (preview) device D (SOIC-8) package and associated content to data

sheet................................................................................................................................................................... 1

Changes from Revision B (May 2018) to Revision C (July 2018)

Page

• Deleted "preview" from information re: DBV (SOT-23) package, now released ................................................ 1

• Changed status of data sheet to production data .............................................................................................. 1

Changes from Revision A (March 2018) to Revision B (May 2018)

Page

• Deleted "preview" from information re: DGK (VSSOP) package, now released ................................................1

Changes from Revision * (June 2017) to Revision A (March 2018)

Page

• Added preview of DBV and DGK packages; removed content regarding future device releases ..................... 1

OPA145,, OPA2145

SBOS427E – JUNE 2017 – REVISED OCTOBER 2020

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Product Folder Links: OPA145, OPA2145