Texas Instruments TPA0242 manual Feature Highlights

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Feature Highlights

1.1 Feature Highlights

The TI TPA0242 audio amplifier evaluation module and the TI plug-n-play audio amplifier evaluation platform include the following features:

-TPA0242 stereo 2-W audio power amplifier evaluation module

J Internal depop circuitry to minimize transients in outputs

J Dual channel, bridge-tied load (BTL) or single-ended operation

J 2 W per channel output power into 3 Ω at 5 V, BTL

J Low current consumption in shutdown mode (150 µA)

J Internal input MUX selects among two sets of stereo inputs

J DC voltage volume control from +20 dB to ±40 dB, and a ±85 dB mute

J Differential stereo inputs

J PC Beep input

-Quick and easy configuration with the TI plug-n-play audio amplifier evalu- ation platform

J Evaluation module is designed to simply plug into the platform, automatically making all signal, control, and power connections

J Platform provides flexible power options

J Jumpers on the platform select power and module control options

J Switches on the platform route signals

J Platform provides quick and easy audio input and output connections

-Platform power options

J External 5-V ± 15-V DC VCC supply inputs

J External regulated VDD supply input

J Socket for on-board 5 V/3.3 V VDD voltage regulator EVM

J Onboard overvoltage and reverse polarity power protection

-Platform audio input and output connections

J Left and right RCA phono jack inputs

J Miniature stereo phone jack input

J Left and right RCA phono jack outputs

J Left and right compression speaker terminal outputs

J Miniature stereo headphone jack output

1-2

Introduction

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Contents Users Guide Important Notice Preface Related Documentation From Texas InstrumentsPage Contents Figures TablesIntroduction Feature Highlights TPA0242 EVM Specifications DescriptionIntroduction ±2. Typical TPA0242 EVM Jumper Settings Quick StartPrecautions ±1. Quick Start Platform Map±3. Platform Jumper and Switch Settings for the TPA0242 Quick Start List for Platform±4. Typical TPA0242 EVM Jumper Settings ±2. Module PreparationQuick Start List for Stand-Alone ±3. Quick Start Module MapControl inputs Details ±1. The TI Plug-N-Play Audio Amplifier Evaluation Platform TPA0242 Audio Power Amplifier Evaluation Module ±2. TPA0242 EVM±3. TPA0242 EVM Schematic Diagram 1 TPA0242 Audio Amplifier IC±4. TPA0242 Amplifier IC Inputs and Gain±1. TPA0242 EVM BTL Volume Settings Differential InputSingle-Ended Operation Depop CircuitryBTL Operation EVM Removal Installing and Removing EVM BoardsEVM Insertion 2 TPA0242 Module Jumper Settings and Switches ±5. TPA0242 EVM Jumpers and Switches2.1 S1 Ð Shutdown Switch 2.2 S3 Ð Output Mode Jumper2.3 S3 Ð Input Mode Jumper 2.4 S4 Ð Input and Output Mode JumperHeadphone Output Jack Signal RoutingSignal Conditioning Headphone Jack Control Signals Mute Shutdown/ModeMute/Mode Select JP6 Mute/Mode Polarity Select JP8Power Requirements Outputs Inputs and OutputsInputs 1 TPA0242 EVM Connected for BTL Output Using The TPA0242 EVM Stand-Alone±2. Typical TPA0242 EVM Jumper Settings for BTL Stand-Alone 2 TPA0242 EVM Connected for Single-Ended Output ±10. TPA0242 EVM Connected for Stereo Single-Ended OutputTPA0242 Audio Power Amplifier Evaluation Module Parts List ±4. TPA0242 EVM Parts List