AK4640
AK4640 is manufactured by Asahi Kasei Microdevices.
ASAHI KASEI
[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. The AK4640 is available in a smaller 57pin BGA in addition to a 52pin QFN that has patibility with the AK4534/8, utilizing less board space than petitive offerings.
Features
1. Resolution : 16bits 2. Recording Function
- Mono Input
- 2 to 1 Selector (Internal and External MIC)
- 1st MIC Amplifier : +20dB or 0dB
- 2nd Amplifier...
