W681388DG

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The W681388DG is a high performance 12-channel CODEC that interfaces digital audio with the analog audio environment. It provides the core functionality needed for digital-to-analog conversion, as well as analog-to-digital conversion.

The W681388DG is suitable for a variety of applications, including video and multimedia applications, audio recorders and players, digital signals processing and automotive audio systems. Its digital input/output interface supports a variety of audio formats, including PCM, ADPCM and WMA and its low power consumption makes it ideal for mobile applications.

Typical Applications

• Video and multimedia applications
• Audio recorders and players
• Digital signal processing
• Automotive audio systems

Features

• 12-channel, stereo CODEC
• Digital input/output interface
• Wide format support: PCM, ADPCM and WMA
• Low power consumption
• Integrated digital-to-analog converter

Working Principle

The W681388DG takes as input digital audio data in PCM (pulse-code modulation) format, with each channel providing a 16-bit word. The data is then converted to an analog signal via the integrated digital-to-analog converter. The output analog signal is in a two-channel configuration, with each channel providing a voltage proportional to the amplitude of the digital audio sample.

The W681388DG also has a 16-bit analog-to-digital converter, allowing it to convert analog audio into a digital signal. The audio input is sampled at a rate of 48kHz, with the resulting data then being output as a digital signal in the PCM format. The digital signal is output in a 12-channel configuration, with each channel providing a 16-bit word.

Conclusion

The W681388DG is a high performance 12-channel CODEC that provides the core functionality needed for digital-to-analog conversion, as well as analog-to-digital conversion. It is suitable for a variety of audio applications and its low power consumption makes it ideal for mobile applications. By providing a 16-bit analog-to-digital converter, it supports a wide range of audio formats, including PCM, ADPCM and WMA.

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