![background image](http://html1.mh-extra.com/html/texas-instruments/tpa2037d1/tpa2037d1_user-manual_1096851001.webp)
User's Guide
SLOU266 – December 2009
TPA2037D1 Audio Power Amplifier Evaluation Module
The TPA2037D1 is a 6-dB fixed-gain audio power amplifier evaluation module is a complete, low-power,
Class-D, mono audio power amplifier capable of delivering 1.46 W into 8
Ω
and 2.57 W into 4
Ω
at 1%
THD+N (YFF package). All components and the evaluation module are Pb-free. The TPA2037D1
evaluation module (EVM) consists of a TPA2037D1 device and all necessary components to evaluate it.
Contents
1
Introduction
..................................................................................................................
2
Operation
.....................................................................................................................
3
Reference
....................................................................................................................
4
Related Documentation From Texas Instruments
......................................................................
List of Figures
1
Top Layer
....................................................................................................................
2
Bottom Layer
................................................................................................................
3
TPA2037D1EVM Schematic Diagram
....................................................................................
List of Tables
1
TPA2037D1EVM Parts List
................................................................................................
1
Introduction
This section provides an overview of the Texas Instruments (TI) TPA2037D1 NanoFree™ WCSP audio
amplifier evaluation module (TPA2037D1EVM). It includes a brief description of the module and a list of
EVM specifications.
1.1
TPA2037D1EVM 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 TPA2037D1EVM.
2.1
Quick Start for Stand-Alone Operation
Use the following steps when operating the TPA2037D1EVM stand-alone or when connecting the EVM
into existing circuits or equipment.
NanoFree is a trademark of Texas Instruments.
1
SLOU266 – December 2009
TPA2037D1 Audio Power Amplifier Evaluation Module
Copyright © 2009, Texas Instruments Incorporated