WM8731 Audio Codec DAC
The WM8731 is a low-power stereo audio DAC with headphone driver, designed for portable multimedia applications with I2S interface and programmable controls. While technically a codec, primary function is high-quality audio digital-to-analog conversion. Classified HTS 8542.39.0040 focusing on DAC capability.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for telephone handsets
Audio ICs specifically for telephone apparatus classified under telecom parts.
If embedded in plastic modules
ICs permanently mounted in plastic housings may be classified as plastic articles.
If disc/media drive mechanisms
Audio DACs for CD/DVD drives classified with the drive mechanism.
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Import Tips & Compliance
• Emphasize SNR, THD specifications and headphone drive capability in technical documentation
• Comply with mobile device battery efficiency standards and charging circuit compatibility
• Distinguish from complete audio subsystems; single IC classification despite codec features
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