Texas Instruments TPA721, Руководство пользователя, Страница: 8 / 27

Feature Highlights
1-2 Introduction
1.1 Feature Highlights
The TI TPA721 MSOP audio amplifier evaluation module and the TI
plug-n-play audio amplifier evaluation platform include the following features:
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TPA721 Low-Voltage Audio Power Amplifier Evaluation Module
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Single channel, bridge-tied load (BTL)
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3.3-V and 5-V operation
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700-mW output power into 8
Ω
at 5 V, BTL
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Internal depop circuitry
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Internal thermal and short-circuit protection
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Module gain is set at –4 V/V in BTL mode, –2 V/V in SE mode
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Quick and Easy Configuration With the TI Plug-N-Play Audio Amplifier
Evaluation Platform
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Evaluation module is designed to simply plug into the platform,
automatically making all signal, control, and power connections
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Platform provides flexible power options
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Jumpers on the platform select power and module control options
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Switches on the platform route signals
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Platform provides quick and easy audio input and output connections
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Platform Power Options
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Onboard 9-V battery
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External 5-V – 15-V (V
CC
) supply inputs
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External regulated V
DD
supply input
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Socket for onboard 5-V/3.3-V V
DD
voltage regulator EVM
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Onboard overvoltage and reverse polarity power protection
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Platform Audio Input and Output Connections
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Left and right RCA phono jack inputs
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Miniature stereo phone jack input
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Left and right RCA phono jack outputs
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Left and right compression speaker terminal outputs
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Miniature stereo headphone jack output