Datasheet

User's Guide
SLOU298– August 2011
TPA2038D1 Audio Power Amplifier Evaluation Module
The TPA2038D1 evaluation module (EVM) features a Class-D, mono audio power amplifier capable of
delivering 1.4 W into 8 Ω and 2.5 W into 4 Ω at 1% THD+N (YFF package). Amplfier gain is selectable to
either 6 dB or 12 dB. The EVM comprises all necessary components to evaluate the TPA2038D1. All
components are Pb-free.
Contents
1 Introduction .................................................................................................................. 1
2 Operation ..................................................................................................................... 2
3 Reference .................................................................................................................... 3
List of Figures
1 Top Layer .................................................................................................................... 3
2 Middle Layer 1 - Ground ................................................................................................... 3
3 Middle Layer 2 - Power .................................................................................................... 3
4 Bottom Layer ................................................................................................................ 4
5 TPA2038D1EVM Schematic Diagram.................................................................................... 5
List of Tables
1 TPA2038D1EVM Parts List................................................................................................ 6
1 Introduction
This section provides an overview of the Texas Instruments (TI) TPA2038D1 NanoFree™ WCSP audio
amplifier evaluation module (TPA2038D1EVM). It includes a brief description of the module and a list of
EVM specifications.
1.1 TPA2038D1EVM 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% 3.2 W
Audio input voltage, V
I
0 V to V
DD
Minimum load impedance, Z
L
4 Ω
NanoFree is a trademark of Texas Instruments.
1
SLOU298– August 2011 TPA2038D1 Audio Power Amplifier Evaluation Module
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