WM8955LSEFL

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The WM8955LSEFL is a multi-channel audio A/D,D/A converter designed for multimedia applications. It provides excellent sound quality and easy interfacing to a variety of audio sources, such as PCs, game consoles, and consumer electronics. This device is an ideal choice for applications requiring high-quality audio conversion without the need for costly external components.

The WM8955LSEFL is a high performance, cost effective solution that offers excellent performance while delivering low power consumption. It offers high-resolution, multi-channel audio conversion with a wide range of sample rates and bit depth, including 24-bit/196kHz. The analog inputs are selectable from line-in, mic-in, and digital input, and the digital outputs are selectable from line-out, Aux-L/R, and S/PDIF.

The WM8955LSEFL also provides a variety of features, including low latency digital filters, 20-bit delta-sigma conversion, and adjustable phase and gain compensation. Additionally, it includes a variety of digital audio format conversion and control interfaces, allowing for easy integration into an embedded system.

Application Field of WM8955LSEFL
The WM8955LSEFL is ideal for multimedia, professional audio, and consumer electronics applications. It is suitable for applications such as home theater systems, digital video recorders, gaming consoles, and surround sound systems. Additionally, it can be used in automotive, medical, and industrial applications in which audio and video signals must be converted for processing or playback.

Working Principle of WM8955LSEFL
The WM8955LSEFL utilizes a 24-bit delta-sigma conversion process to obtain high-resolution analog-to-digital (A/D) and digital-to-analog (D/A) conversion. The device starts by sampling the incoming signal and converting it to a 20-bit delta-sigma format. This 20-bit signal is then decimated to a 24-bit signal, with four additional bits added to improve accuracy. The 24-bit signal is then converted to the desired output format using digital interpolation.

For the digital-to-analog conversion process, the 24-bit signal is converted to a 20-bit signal and then upscaled to 24-bits. This 24-bit signal is then amplified and filtered before being converted to the desired analog output format. The device also features adjustable phase and gain compensation for improved accuracy and better sound quality.

In addition to its conversion capabilities, the WM8955LSEFL also includes a variety of digital audio format-conversion and control interfaces, allowing for easy integration into an embedded system. The device features selectable input and output formats, including line-in, mic-in, line-out, aux-L/R, and digital S/PDIF.

Overall, the WM8955LSEFL is an excellent solution for applications requiring high-quality audio conversion without the need for costly external components. Its multi-channel audio A/D,D/A conversion capabilities, low power consumption, and easy integration into embedded systems make it an ideal choice for multimedia, professional audio, and consumer electronics applications.

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