TPA6138A2

SLOS704B – JANUARY 2011 – REVISED AUGUST 2015

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Table of Contents

9.2

Functional Block Diagram ......................................... 8

1

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

9.3

Feature Description................................................... 8

2

Applications ........................................................... 1

9.4

Device Functional Modes.......................................... 9

3

Description ............................................................. 1

10

Application and Implementation........................ 11

4

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

10.1

Application Information.......................................... 11

5

Device Comparison Table..................................... 3

10.2

Typical Application ............................................... 12

6

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

11

Power Supply Recommendations ..................... 13

7

Specifications......................................................... 4

12

Layout................................................................... 14

7.1

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

12.1

Layout Guidelines ................................................. 14

7.2

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

12.2

Layout Example .................................................... 14

7.3

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

13

Device and Documentation Support ................. 15

7.4

Thermal Information .................................................. 4

13.1

Device Support...................................................... 15

7.5

Electrical Characteristics........................................... 5

13.2

Community Resources.......................................... 15

7.6

Operating Characteristics.......................................... 5

13.3

Trademarks ........................................................... 15

7.7

Typical Characteristics .............................................. 6

13.4

Electrostatic Discharge Caution ............................ 15

8

Parameter Measurement Information .................. 7

13.5

Glossary ................................................................ 15

9

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

14

Mechanical, Packaging, and Orderable

9.1

Overview ................................................................... 7

Information ........................................................... 15

4 Revision History

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

Changes from Revision A (May 2011) to Revision B

Page

•

Added Pin Configuration and Functions section, ESD Ratings table, Feature Description section, Device Functional

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

and Documentation Support section, Parameter Measurement Information section, and Mechanical, Packaging, and

Orderable Information section ............................................................................................................................................... 1

•

Added the information in Section 8.1 as "Direct Path Headphone Driver" to Feature Description section............................ 8

•

Removed section "Gain-Setting Resistors" ........................................................................................................................... 9

Changes from Original (January 2011) to Revision A

Page

•

Added Rev A and May 2011 to Header, No other changes to page 1................................................................................... 1

•

Changed Pin Functions Description for UVP pin from "connect to PVDD with a 10-k

Ω resistor if function is unused"

to "internal pull-up, unconnected if UVP function is unused". ................................................................................................ 3

2

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