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Feature Highlights
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Introduction
1.1 Feature Highlights
The TI TPA311 MSOP audio amplifier evaluation module and the TI
plug-n-play audio amplifier evaluation platform include the following features:
TPA311 Low-Voltage Audio Power Amplifier Evaluation Module
Single channel, bridge-tied load (BTL) or single-ended operation
3.3-V and 5-V operation
350 mW output power into 8 Ω at 5 V, BTL
Ultra-low current consumption in shutdown/mute mode
Internal thermal and short-circuit protection
Module gain adjustable between approximately 2 and 22
Quick and Easy Configuration With the TI Plug-N-Play Audio Amplifier
Evaluation Platform
Evaluation module is designed to simply plug into the platform, auto-
matically 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 – 15-V (V
CC
) supply inputs
External regulated V
DD
supply input
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