TPA6133A2_15 Datasheet, PDF (2/26 Pages) Texas Instruments – TPA6133A2 138-mW DirectPath™ Stereo Headphone Amplifier

TPA6133A2
SLOS821B – JUNE 2013 – REVISED SEPTEMBER 2014
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Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Simplified Application Diagram............................ 1
5 Revision History..................................................... 2
6 Pin Configuration and Functions ......................... 3
7 Specification........................................................... 4
7.1 Absolute Maximum Ratings ..................................... 4
7.2 Handling Ratings....................................................... 4
7.3 Recommended Operating Conditions....................... 4
7.4 Thermal Information .................................................. 4
7.5 Electrical Characteristics........................................... 5
7.6 Operating Characteristics.......................................... 5
7.7 Typical Characteristics .............................................. 6
8 Detailed Description ............................................ 10
8.1 Overview ................................................................. 10
8.2 Functional Block Diagram ....................................... 10
8.3 Feature Description................................................. 11
8.4 Device Functional Modes........................................ 12
9 Application and Implementation ........................ 13
9.1 Application Information............................................ 13
9.2 Typical Application ................................................. 13
10 Power Supply Recommendations ..................... 16
11 Layout................................................................... 17
11.1 Layout Guidelimes ................................................ 17
11.2 Layout Example .................................................... 17
12 Device and Documentation Support ................. 18
12.1 Trademarks ........................................................... 18
12.2 Electrostatic Discharge Caution ............................ 18
12.3 Glossary ................................................................ 18
13 Mechanical, Packaging, and Orderable
Information ........................................................... 18
5 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision A (August 2014) to Revision B
Page
• Changed "PIN QFN" To: "NUMBER" in the Pin Functions table............................................................................................ 3
• Added a NOTE to the Applications and Implementation section ........................................................................................ 13
• Added new paragraph to the Application Information section.............................................................................................. 13
Changes from Original (June 2013) to Revision A
Page
• Added Handling Rating 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
• Added the Device Information Table ..................................................................................................................................... 1
• Moved "Minimum Load Impedance" From the Absolute Maximum Ratings table To the Recommended Operating
Conditions table ...................................................................................................................................................................... 4
• Added the Thermal Information Table ................................................................................................................................... 4
• Changed text in the Overview section From: "toggling the SD pin to logic 1." To: "asserting the SD pin to logic 1." ......... 10
• Changed text in the Headphone Amplifier section From: "the output signal is severely clipped" To: "power
consumption will be higher" .................................................................................................................................................. 11
• Added the Optional Test Setup section................................................................................................................................ 15
• Added the Layout Example image ...................................................................................................................................... 17
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