Datasheet

1 Introduction
1.1 Related Documentation From Texas Instruments
1.2 Feature Highlights
Introduction www.ti.com
This chapter provides an overview of the Texas Instruments (TI) TPA2031D1 NanoFree™ WCSP
audio-amplifier evaluation module (TPA2031D1YZF EVM). It includes a list of EVM features, a brief
illustrated description of the module, and a list of EVM specifications.
• TI Plug-N-Play Audio Amplifier Evaluation Platform (literature number SLOU011 ) provides detailed
information on the evaluation platform and its use with TI audio evaluation modules.
• TPA2031D1 2.5-W Mono Filter-Free Class-D Audio Power Amplifier (literature number SLOS417 )
This is the data sheet for the TPA2031D1 audio amplifier integrated circuit.
The TI TPA2031D1 audio amplifier evaluation module and the TI Plug-N-Play audio amplifier evaluation
platform include the following features:
• TPA2031D1 Low-Voltage Audio Power Amplifier Evaluation Module
– 1,45 mm × 1,45 mm NanoFree™ WCSP
– Fully-differential filter-free Class-D amplifier
– Single channel, bridge-tied load (BTL)
– 2.5-V to 5.5-V operation
– 2.5-W output power into 4 Ω at 5 V, BTL
– Internal depop and quick start-up circuitry
– Internal thermal and short-circuit protection
– Module gain is set at 2 V/V
• Quick and Easy Configuration With the TI Plug-N-Play Audio Amplifier Evaluation Platform
– Evaluation module is designed to simply plug into the platform, automatically making all signal,
control, and power connections.
– Platform provides flexible power options.
– Jumpers on the platform select power and module-control options.
– Switches on the platform route signals.
– Platform provides quick and easy audio input and output connections.
• Platform Power Options
– Onboard 9-V battery
– External 5-V to 15-V (V
CC
) supply inputs
– External regulated V
DD
supply inputs
– Socket for onboard 5-V/3.3-V V
DD
voltage regulator EVM
– Onboard overvoltage and reverse polarity power protection
• Platform Audio Input and Output Connections
– Left and right RCA phono jack inputs
– Miniature stereo phone jack input
– Left and right RCA phono jack outputs
– Left and right compression speaker terminal outputs
– Miniature stereo headphone jack output
TPA2031D1 Audio Power Amplifier Evaluation Module2 SLOU212 – May 2008
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