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OPA320, OPA2320, OPA320S, OPA2320S

SBOS513F – AUGUST 2010 – REVISED DECEMBER 2016

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Product Folder Links: OPA320 OPA2320 OPA320S OPA2320S

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Copyright © 2010–2016, Texas Instruments Incorporated

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: OPA320 and OPA320S .......... 6

6.5

Thermal Information: OPA2320 ................................ 7

6.6

Thermal Information: OPA2320S .............................. 7

6.7

Electrical Characteristics........................................... 7

6.8

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

7

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

7.1

Overview ................................................................. 16

7.2

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

7.3

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

7.4

Device Functional Modes........................................ 21

8

Application and Implementation ........................ 22

8.1

Application Information............................................ 22

8.2

Typical Application .................................................. 26

9

Power Supply Recommendations ...................... 28

10

Layout................................................................... 28

10.1

Layout Guidelines ................................................. 28

10.2

Layout Example .................................................... 28

11

Device and Documentation Support ................. 29

11.1

Device Support .................................................... 29

11.2

Documentation Support ........................................ 30

11.3

Related Links ........................................................ 30

11.4

Receiving Notification of Documentation Updates 30

11.5

Community Resource............................................ 30

11.6

Trademarks ........................................................... 30

11.7

Electrostatic Discharge Caution ............................ 30

11.8

Glossary ................................................................ 31

12

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 E (June 2013) to Revision F

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

•

Changed package families throughout data sheet: DFN to SON, MSOP to VSSOP, and SO to SOIC ................................ 1

Changes from Revision D (November 2011) to Revision E

Page

•

Deleted Ordering Information table ........................................................................................................................................ 1

•

Changed Shutdown, VIH and VIL parameters in Electrical Characteristics table .................................................................... 8

•

Added Figure 29 and Figure 30............................................................................................................................................ 13

•

Added Figure 31 and Figure 32............................................................................................................................................ 14

Changes from Revision C (August 2011) to Revision D

Page

•

Changed status of OPA2320 SO-8 (D) to production data from product preview. ................................................................ 1

Changes from Revision B (March 2010) to Revision C

Page

•

Deleted D (SO-8) package pinout drawing from Pin Configurations and Functions .............................................................. 4

•

Changed names of pins 2 and 6 for DGS (MSOP-10) package ........................................................................................... 5

•

Added values to Thermal Information tables, moved to new page, and updated format....................................................... 6

•

Added SHDN value to Electrical Characteristics condition line.............................................................................................. 7

•

Added new test condition row for Input Bias Current Over Temperature parameter ............................................................. 7

•

Changed test condition for Phase Margin parameter in Electrical Characteristics ................................................................ 8

•

Added test condition to Short-Circuit Current parameter in Electrical Characteristics ........................................................... 8