LC823450XCTBG

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Audio Special Purpose

The LC823450XCTBG is a special purpose audio solution for portable multi-function audio devices and applications. It was designed by Lattice Semiconductor Corporation to provide comprehensive audio solutions including analog-to-digital (ADC), digital-to-analog (DAC), volumetric/motion control, pramper controls, and audio looping/mixing capabilities. It also integrates with other audio codecs, providing higher performance and better fidelity.

The LC823450XCTBG\'s key application is for portable multi-function audio devices and applications that require the ability to record, process, and playback audio. This includes music players, multimedia mobile phones, notebooks and computers, gaming devices, and other portable audio applications. The integrated audio codecs and controllers are designed to deliver superior audio quality and power efficiency, allowing product designers to minimise overall system power consumption and size. The on-chip analog-to-digital and digital-to-analog converters are optimized for a wide range of portable audio applications. So, it is suitable for ports such as audio interface, line in/out, microphone in/out, etc.

Working Principle

The LC823450XCTBG is a highly integrated audio controller that combines an integrated audio codec, pramper controls and an audio looping/mixing block. It contains a low-voltage digital stepped volume control, a digital clock generator and a digital mixer. The audio codec is a stereo 16-bit codec with a SNR of 115 dB and a THD+N of -103 dB. It has a sample rate range of 8-48 kHz and supports various audio formats such as MP3/AAC/WMA/OGG/FLAC/AIFF. It also supports a wide range of volume levels from -34 dB to +12 dB, allowing the device to optimize its Gain settings for different audio sources.

The volume control block in the LC823450XCTBG allows for low-voltage digital stepped volume control, allowing for an incredibly wide range of volume levels in a small form factor. The digital clock generator provides a stable sample clock for the audio codec, allowing for accurate and consistent audio performance. The digital mixer is designed to mix multiple audio sources in stereo, allowing for playback from multiple sources at once while preserving audio quality. In addition, the audio looping/mixing block allows for up to four channels of audio looping/mixing in a single-chip solution.

The integrated pramper controls of the LC823450XCTBG allow the user to adjust the levels of each channel of audio, enabling users to customize their sound experience. These levels are adjustable using the volume control and digital clock generator, allowing users to adjust the levels of each channel as they desire. Finally, it integrates various power saving measures such as temperature-dependent power modes and dynamic power control, allowing the product designer to further optimize power consumption. This makes the LC823450XCTBG an ideal solution for portable audio products.

Conclusion

The LC823450XCTBG is a powerful, highly integrated audio controller for audio applications. It combines an integrated audio codec, pramper controls, and an audio looping/mixing block for superior audio quality, power efficiency, and a wide range of applications. With its integrated volume control and digital clock generator, the LC823450XCTBG provides precise control over volume levels and audio signal quality, while its digital mixer and audio looping/mixing functions allow users to mix audio sources with minimal distortion. It is also power efficient, integrating various power saving measures, making it an ideal solution for portable audio products.

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