TPA2025D1_14 Datasheet, PDF (2/29 Pages) Texas Instruments – Constant Output Power Class-D Audio Amplifier

TPA2025D1
SLOS717B – AUGUST 2011 – REVISED DECEMBER 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 Device Comparison Table..................................... 3
7 Pin Configuration and Functions ......................... 3
8 Specifications......................................................... 4
8.1 Absolute Maximum Ratings ...................................... 4
8.2 ESD Ratings.............................................................. 4
8.3 Recommended Operating Conditions....................... 4
8.4 Thermal Information .................................................. 4
8.5 Electrical Characteristics........................................... 5
8.6 Operating Characteristics.......................................... 5
8.7 Typical Characteristics .............................................. 7
9 Parameter Measurement Information ................ 11
10 Detailed Description ........................................... 11
10.1 Overview ............................................................... 11
10.2 Functional Block Diagram ..................................... 11
10.3 Feature Description............................................... 12
10.4 Device Functional Modes...................................... 13
11 Application and Implementation........................ 15
11.1 Application Information.......................................... 15
11.2 Typical Application ................................................ 15
12 Power Supply Recommendations ..................... 20
12.1 Power Supply Decoupling Capacitors................... 20
13 Layout................................................................... 20
13.1 Layout Guidelines ................................................. 20
13.2 Layout Example .................................................... 22
14 Device and Documentation Support ................. 23
14.1 Trademarks ........................................................... 23
14.2 Electrostatic Discharge Caution ............................ 23
14.3 Glossary ................................................................ 23
15 Mechanical, Packaging, and Orderable
Information ........................................................... 23
5 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision A (February 2012) 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, and Mechanical, Packaging, and Orderable Information section .............................. 1
Changes from Original (August 2011) to Revision A
Page
• Changed Operating quiescent current TYP value from "3.5" to "2.0" for VBAT = 3.6 V; and, TYP value from "4" to
2.5" for VBAT = 5.2 V ............................................................................................................................................................. 5
• Changed Shutdown quiescent current MAX value from "3" to "1" ........................................................................................ 5
• Changed from "110 ms" to "1.6 seconds" in the SHORT CIRCUIT AUTO-RECOVERY description. ................................. 13
• Changed from "within 200 ms" to "1.6 seconds" in the Speaker Load Limitation description.............................................. 18
2
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