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User's Guide
SLOU269–December 2009
TPA2039D1 Audio Power Amplifier Evaluation Module
TPA2039D1 is a low-power, Class-D, 12-dB fixed-gain audio power amplifier evaluation module (EVM).
The EVM features a mono audio power amplifier capable of delivering 1.47 W into 8 Ω and 2.57 W into
4 Ω at 1% THD+N (YFF package). The TPA2039D1 EVM consists of a TPA2039D1 device and all
necessary components to evaluate it.
Contents
1 Introduction .................................................................................................................. 1
2 Operation ..................................................................................................................... 1
3 Reference .................................................................................................................... 3
4 Related Documentation From Texas Instruments ...................................................................... 5
List of Figures
1 Top Layer .................................................................................................................... 3
2 Bottom Layer ................................................................................................................ 3
3 TPA2039D1EVM Schematic Diagram.................................................................................... 4
List of Tables
1 TPA2039D1EVM Parts List................................................................................................ 5
1 Introduction
This section provides an overview of the Texas Instruments (TI) TPA2039D1 NanoFree™ WCSP audio
amplifier evaluation module (TPA2039D1EVM). It includes a brief description of the module and a list of
EVM specifications.
1.1 TPA2039D1EVM Specifications
Supply voltage range, V
DD
2.5 V to 5.5 V
Power supply current rating required 2.5 A
Continuous output power, P
O
: 4-Ω BTL, V
DD
= 5 V, THD+N = 10% 3.24 W
Audio input voltage, V
I
0 V to V
DD
Minimum load impedance, Z
L
4 Ω
2 Operation
This section describes how to operate the TPA2039D1EVM.
2.1 Quick Start for Stand-Alone Operation
Use the following steps when operating the TPA2039D1EVM stand-alone or when connecting the EVM
into existing circuits or equipment.
NanoFree is a trademark of Texas Instruments.
1
SLOU269–December 2009 TPA2039D1 Audio Power Amplifier Evaluation Module
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