TAS5558DCAR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Function:	Modulator
Applications:	Digital Audio Interfacing
Number of Channels:	8
Interface:	I²C, I²S
Voltage - Supply:	3 V ~ 3.6 V
Operating Temperature:	0°C ~ 85°C (TA)
Specifications:	32kHz ~ 192kHz
Package / Case:	56-TFSOP (0.240", 6.10mm Width) Exposed Pad
Supplier Device Package:	56-HTSSOP
Base Part Number:	TAS5558

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Audio Special Purpose – TAS5558DCAR Application Field and Working Principle

The TAS5558DCAR is an audio IC (Integrated Circuit) specifically purposed for audio applications. Popularly used in modern car audio systems, it can provide high fidelity sound quality. This article aims to discuss the application field and functional principle of the TAS5558DCAR.

Application Field

As stated previously, the TAS5558DCAR was specifically designed for car audio systems. It seamlessly integrates with an automotive audio system, providing exceptional sound quality that has low audible distortion. It also meets the high standards that are set for car audio systems in terms of power handling and reliability.Another area of application is in portable audio devices such as portable speakers, headphones and Bluetooth headsets. The TAS5558DCAR was designed with a low power efficiency rating, making it suitable for low power applications. It also has a very small die size which enables the IC to be used in slim form factor devices. Finally, the TAS5558DCAR is often used in home theatre systems. It is capable of providing a high-end audio experience, with low audible distortion and precise control over speaker response. The IC also supports a variety of audio formats, making it suitable for multi-channel audio applications.

Working Principle

The TAS5558DCAR is a four-channel audio IC. It consists of four integrated amplifier channels, each with its own gain control and other parameter settings. The IC also has a built-in Digital Audio Processor (DAP), which is responsible for the adaptive feedback and various equalization and sound enhancement features. The DAP part of the IC is programmed with standard audio features such as bass boost, loudness and equalizer settings. It is also capable of using user-defined sound settings, allowing for further tuning of the sound. The DAP can faithfully reproduce audio sounds at different frequencies and amplitudes as designed.Additionally, the TAS5558DCAR comes with an embedded Digital Signal Processor (DSP). This is responsible for internal tasks such as calibration and audio filtering. The DSP is also responsible for dynamic range enhancement and the adaptive feedback system. It is embedded with a variety of audio algorithms such as a decimator, dynamic limiter and stereo expansion which offers audio refinement capabilities. The output of the TAS5558DCAR is in analog form, meaning that it must be connected to an external audio codec. This codec is responsible for converting the analog signal into a digital signal that can be decoded by the system or routed to another circuit.

Conclusion

In summary, the TAS5558DCAR is an audio IC specifically designed for automotive, portable audio and home theatre applications. It consists of four integrated amplifier channels, each with its own gain control and other parameter settings. The IC also has a dedicated Digital Audio Processor (DAP) and Digital Signal Processor (DSP). The DAP provides sound enhancement and equalization features, while the DSP is responsible for audio filtering and dynamic range enhancement. Finally, the TAS5558DCAR can be connected to an external audio codec which is responsible for translating analog signals into digital output.

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