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Introduction
1.1 Features
The TI TPA112 MSOP audio amplifier evaluation module and the TI
plug-n-play audio amplifier evaluation platform include the following features:
TPA112 MSOP Stereo Audio Power Amplifier Evaluation Module
Dual channel, single-ended operation
150-mW output power per channel into 8 Ω at 5 V
2.5-V to 5.5-V operation
Distortion — THD+N is less than 0.01% @ 1 kHz and less than 0.02%
from 20 Hz to 20 kHz into 10-kΩ loads; less than 0.06% @ 1 kHz and
less than 1% from 20 Hz to 20 kHz into 32-Ω loads; and less than 0.1%
@ 1 kHz and less than 2% from 20 Hz to 20 kHz into 8-Ω loads
Internal thermal and short-circuit protection
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 – 15-V (V
CC
) supply inputs
External regulated V
DD
supply input
Socket for onboard 5-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