ASAHI KASEI
[AK4640]
AK4640
16-Bit ∆Σ CODEC with MIC/HP/SPK-AMP
GENERAL DESCRIPTION The AK4640 targeted at PDA and other low-power, small size applications. It features a 16bit stereo CODEC with a built-in Microphone-Amplifier, Headphone-Amplifier and Speaker-Amplifier. Input circuits include a Microphone-Amplifier and an ALC (Auto Level Control) circuit. ...
