TAS5709APHPR Integrated Circuits (ICs)

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The TAS5709A-HPR is a high-performance, quad-channel digital-input, class D (Digital-Input) audio amplifier with 10Ω/10W output capability. The TAS5709A-HPR is designed to provide high fidelity audio output power with low noise and high system efficiency. The integrated 10Ω/10W output device provides a low-thermal resistance pathway to ensure the thermal design can quickly dissipate the heat generated during high-power audio reproduction.

The device is a fully integrated audio amplifier that supports the audio input formats including I2S and TDM. The TAS5709A-HPR integrates a high-efficiency Class D output stage, over-temperature protection, short-circuit protection, thermal protection, and output mutement, thus eliminating the need for an external controller. The integrated advanced active loop filter offers the unique features of low-distortion for high performance audio playback. The TAS5709A-HPR also supports multiple modes of PWM control, including pulse-density modulation (PDM) and fixed-frequency pulse-width modulation (FF-PWM).

The TAS5709A-HPR is designed to be used in audio systems in automotive, consumer and professional audio applications, such as sound bars, home theatre systems, active speaker systems, and sound amplifiers. The device is highly integrated and provides a cost-effective solution for high-performance audio systems. The TAS5709A-HPR is specifically designed for use in various applications that require high-fidelity audio reproduction with low noise, distortion, and high power efficiency.

The TAS5709A-HPR is an integrated, quad-channel class D audio amplifier. It consists of an input selection and amplification block, a bridge rectifier, and a Class D power stage. The input selection and amplification block includes an analog-to-digital converter (ADC) for digital input, a multiplexer for input selection, and a 3-state amplifier. The digital inputs may be I2S and/or TDM. The ADC provides a low-noise and low-distortion digital audio signal to the amplifier. The multiplexer allows the selection of one of the four digital inputs at any time.

The bridge rectifier consists of two back-to-back pairs of MOSFETs. The output pair of MOSFETs provides a low-thermal resistance path to ensure efficient dissipation of the heat generated by the amplifier. The Class D power stage consists of an output push-pull pair of MOSFETs with two isolation capacitor networks. The push-pull configuration allows the TAS5709A-HPR to efficiently perform class D modulation and provide a high-performance audio output.

The TAS5709A-HPR features an advanced active loop filter to provide superior audio fidelity. The loop filter includes high-performance voltage-controlled amplifiers (VCAs), band-stop filters, and rectifying circuits. This provides the best performance audio output by ensuring the highest levels of linearity, low noise, and low distortion. Furthermore, the TAS5709A-HPR provides a number of protection circuits, such as over-temperature protection and short-circuit protection, to ensure the safe operation of the amplifier.

In summary, the TAS5709A-HPR is a high-performance, quad-channel digital input audio amplifier that provides low noise, low distortion, high power efficiency, and superior audio fidelity. It is suitable for use in sound bars, amplifier systems, and other audio applications. The integrated advanced active loop filter, protection circuits, and low-thermal resistance path ensure high-quality audio performance and reliability.

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