Feature Highlights

1.1 Feature Highlights

The TI TPA005D12 class-D stereo audio power amplifier evaluation module and the TI plug-n-play audio amplifier evaluation platform include the following features:

-TPA005D12 Class-D Stereo Audio Power Amplifier Evaluation Module

J Internal depop circuitry to greatly reduce turn-on transients in outputs

J Dual channel, bridge-tied load (BTL) only operation

J 5 V operation

J 2 W BTL output into 4 Ω at 5 V

J Low current consumption in shutdown/mute mode (50 A/2.5 mA)

J Internal gain set to 20 dB

J IC shutdown and mute control inputs Ð TTL logic level

J High efficiency

J CE tested and approved.

-Quick and Easy Configuration With The TI Plug-N-Play Audio Amplifier Evaluation 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 VCC supply inputs

J External regulated VDD supply input

J Socket for onboard 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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Texas Instruments TPA005D12 manual Feature Highlights

TPA005D12 specifications

The Texas Instruments TPA005D12 is a highly regarded digital audio power amplifier that is engineered for high-performance applications. It is part of TI's TPA series, which is known for its efficient power delivery and superior sound quality. The TPA005D12 is designed to drive passive speakers while ensuring minimal power loss and efficient heat management.

One of the standout features of the TPA005D12 is its ability to provide 5 watts of continuous output power per channel into an 8-ohm load with a low total harmonic distortion (THD) rating. This makes it suitable for use in a variety of audio applications, including computer speakers, soundbars, and portable audio systems. The amplifier operates from a single supply voltage, ranging typically from 4.5V to 14V, allowing for flexible integration into different power supply environments.

The TPA005D12 adopts Class-D amplification technology, which significantly enhances power efficiency compared to traditional linear amplifiers. Class-D amplifiers convert the input audio signal into a series of pulse-width modulated signals, resulting in increased power savings and reduced heat generation. This not only improves the overall energy efficiency but also contributes to a longer operational lifespan for devices utilizing this technology.

Additionally, the TPA005D12 features an integrated thermal and short-circuit protection mechanism, which helps safeguard the amplifier from potential damage due to excessive temperatures or electrical faults. This reliability factor is crucial for manufacturers looking to create robust consumer electronics.

Another important characteristic is its integrated low-noise power supply rejection ratio (PSRR), which helps maintain sound clarity and reduces the impact of power supply noise on audio quality. The TPA005D12 also supports differential input signals, which can improve common-mode noise rejection and further enhance audio performance.

The device is offered in a compact package suitable for space-constrained applications, enabling easy integration into various designs. With a combination of low cost, high efficiency, and excellent audio performance, the Texas Instruments TPA005D12 stands out as a top choice for developers and engineers seeking reliable audio amplification solutions. Whether in home entertainment systems or personal audio devices, the TPA005D12 is designed to deliver exceptional sound quality with a minimal footprint.