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1 Introduction
1.1 Description
User's Guide
SLOU196 – April 2007
TPA6040A4 Audio Power Amplifier Evaluation Module
Contents
1 Introduction .......................................................................................... 1
2 Operation ............................................................................................ 3
3 Schematic and Bill of Materials ................................................................... 5
List of Figures
1 TI TPA6040A4 Audio Power Amplifier EVM – Top View ...................................... 2
2 TPA6040A4 EVM Schematic ..................................................................... 5
3 TPA6040A4 EVM – Top Side Layout ............................................................ 6
4 TPA6040A4 EVM – Bottom Side Layout ........................................................ 6
List of Tables
1 Gain Settings ........................................................................................ 4
The TPA6040A4 evaluation module consists of a single 2-W stereo speaker amplifier and 85-mW
DirectPath™ headphone amplifier complete with a small number of external components mounted on a
circuit board that can be used to drive speakers and headphones directly with external analog audio
sources as inputs. The TPA6040A4 also contains an LDO capable of outputting 4.75 V with a maximum
load of 120 mA.
DirectPath is a trademark of Texas Instruments.
SLOU196 – April 2007 TPA6040A4 Audio Power Amplifier Evaluation Module 1
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