WM8731CLSEFL

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WM8731CLSEFL Application Field and Working Principle

The WM8731CLSEFL is a kind of Audio CODEC integrated circuit that combines the functions of audio ADC (Analog-to-Digital Converter), DAC (Digital-to-Analog Converter), Phono Patch, and EQ (Equalizer). It is mainly used in consumer electronics equipment, such as digital video recorders, audio interface products, MP3 players, car audio systems, and home electronics.

Application Field

The WM8731CLSEFL CODEC has the unique architectural design that is suitable for consumer audio products such as Dolby Digital, DTS and MP3 players. Specifically, it addresses the need for low cost, high speed, lower power consumption and higher performance in these applications. The WM8731CLSEFL CODEC is also suitable for portable audio products, offering exceptional fidelity and performance.

The WM8731CLSEFL CODEC is suitable for applications with different voltage requirements. It operates in a range between 1.8V and 3.3V, so it can be used in 5V and not only in the standard 5V but also in 3.3V. This makes it very convenient in the design of many application products that use different voltages.

The key features of this CODEC make it suitable for use in various applications such as audio interfacing, multimedia and gaming. The WM8731CLSEFL integrates the functions of audio data conversion and signal mixing that allow it to handle different audio formats (the WM8731CLSEFL supports up to 24bit resolution).

Working Principle

The WM8731CLSEFL CODEC has two input interfaces - one for Analog-to-Digital conversion (ADC) and one for Digital-to-Analog conversion (DAC). The ADC is a two-channel circuit that samples incoming audio signals, converts them into digital audio data, and then transmits them to the CODEC’s digital interface. The DAC circuit receives digital audio data from the CODEC’s digital interface, converts it into an analog audio signal, and then outputs it.

The WM8731CLSEFL CODEC also integrates the functions of Phono Patch, which enables external connections to be made directly to the CODEC\'s I2S bus. The Phono Patch allows an external audio device to be connected directly to the CODEC via an I2S bus, which in turn allows it to control the analog and digital signals that pass through the CODEC. This integration of the Phono Patch reduces the cost and complexity of interconnections when multiple devices are connected to a single CODEC.

In addition to the Phono Patch, the WM8731CLSEFL CODEC also includes EQ (equalizer) functions. These functions enable it to alter the frequency characteristics of measured sound signals. The WM8731CLSEFL has a total of six-band graphic equalizers that can be used to adjust the frequency response of the signals. It also includes an adjustable three-band parametric equalizer and a low-pass filter.

Conclusion

The WM8731CLSEFL CODEC is a perfect choice for consumer electronic products due to its low cost, easy to use interface and high performance. The WM8731CLSEFL is especially suitable for portable audio applications, due to its low power consumption, and its ability to support a variety of audio formats. The CODEC also integrates useful features such as the Phono Patch, EQ and low-pass filter, which further enhance its performance and make it suitable for use in many applications.

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