ASAHI KASEI
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The AK4531A is a two channel 16bit AUDIO Hi-Fi CODEC (ADC and DAC) with a sampling rate of 4kHz to 50kHz and includes a 2 channel 18bit DAC designed to work together with an extra sound source. Each converter can also operate by independent sampling rates. Its internal recording and playback mixer has 5 channel stereo and 3 channel mono...