TAS5508PAGR

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Audio Special Purpose: TAS5508PAGR application field and working principle

The TAS5508PAGR is a state-of-the-art audio DSP from Texas Instruments. It is capable of driving up to 8 channels of Class D audio in a single, highly integrated, high-density chip.

The TAS5508PAGR is ideal for active speaker systems, as well as other industrial and automotive audio applications requiring excellent audio fidelity and efficiency. With its advanced signal processing capabilities, low power consumption and integrated amplifier, it is the perfect choice for delivering high-quality audio solutions.

Applications

The TAS5508PAGR is well-suited for use in a variety of applications, including:

• Active speaker systems
• Industrial audio systems
• Automotive audio systems
• Public address systems
• Monitors
• Home theater systems

Features

The TAS5508PAGR features a highly integrated design that enables designers to reduce discrete component count and simplify their designs. The device is optimized for low-distortion performance, power efficiency and low power consumption, delivering high performance audio with minimal component count.

The device is compatible with both I2S and TDM digital audio interfaces, and includes support for sample rates up to 24-bit/192kHz and s/pdif.", allowing it to interface seamlessly with today\'s digital audio systems and players, as well as streaming audio sources.

The device includes an integrated Class AB amplifier with up to 8 channels of audio output and separate signal signal processing paths for each channel, delivering optimally-controlled sound with minimal distortion.

Working Principle

The TAS5508PAGR is a pulse width modulation (PWM) based DSP with an integrated amplifier. The signals coming from the audio sources are digital in nature and hence require DSP for decoding, processing and finally driving the loudspeaker. The TAS5508PAGR combines the high performance digital signal processor and the power amplifier into one highly integrated, high-density silicon die.

The integrated PWM digital audio amplifier is capable of driving up to 8 channels of Class D audio in a single, highly integrated chip. The amplifier features separate signal paths for each channel and is compatible with both I2S and TDM digital audio interfaces. It can also/support sample rates up to 24-bit/192kHz and s/pdif. And It has an integrated feedback circuit that monitors the current amplifier output level and adjusts the gain accordingly, ensuring consistent sound quality and minimized distortion.

The TAS5508PAGR also includes an integrated Digital Volume Control that can adjust the volume of all channels simultaneously. The Digital Volume Control can be adjusted by external resistive elements, allowing the designer to utilize an existing user interface or create an interface with external components.

Conclusion

The TAS5508PAGR is an advanced, highly integrated DSP with excellent audio fidelity and efficiency. With its support for I2S and TDM digital audio interfaces, integrated amplifier with up to 8 channels of audio output, and its low power consumption, it is the perfect solution for active speaker systems, industrial audio applications and automotive audio solutions.

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