1 Introduction

1.1 TPA2012D2 EVM Specifications

User's GuideSLOU174A – February 2005 – Revised April 2005

TPA2012D2 Audio Power Amplifier Evaluation Module

The TPA2012D2 audio power amplifier evaluation module is a complete, low-power,Class-D, stereo audio power amplifier capable of delivering 1.2 W/channel (YZHpackage). All components and the evaluation module are Pb-Free.
Contents1 Introduction .......................................................................................... 12 Operation ............................................................................................ 23 Reference ............................................................................................ 34 Related Documentation From Texas Instruments .............................................. 6
List of Figures
1 TPA2012D2 Output Power ........................................................................ 22 Top Layer ............................................................................................ 43 Bottom Layer ........................................................................................ 44 TPA2012D2 EVM Schematic Diagram .......................................................... 5
List of Tables
1 Gain Settings ........................................................................................ 3
2 TPA2012D2 EVM Parts List ....................................................................... 6
This section provides an overview of the Texas Instruments (TI) TPA2012D2 NanoFree™ WCSP audioamplifier evaluation module (TPA2012D2 EVM). It includes a brief description of the module and a list ofEVM 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- ΩBTL, V
DD
= 5 V 1.2 W (see note)
Audio input voltage, V
I
0 V to V
DD
Minimum load impedance, Z
L
4Ω
Note:
The TPA2012D2 in the RTJ package (QFN) is rated at 2.1 W/channel. The YZH package(WCSP) is thermally limited to 1.2 W/channel on the EVM. For layouts with higher tracedensity and additional copper, the maximum output power will be larger. See the datasheet for device descriptions.
NanoFree is a trademark of Texas Instruments.
TPA2012D2 Audio Power Amplifier Evaluation ModuleSLOU174A – February 2005 – Revised April 2005 1