Datasheet Summary
ASAHI KASEI
[AK4645]
Stereo CODEC with MIC/HP-AMP
GENERAL DESCRIPTION
The AK4645 is a stereo CODEC with a built-in Microphone-Amplifier and Headphone-Amplifier. The AK4645 Features analog mixing circuits and PLL that allows easy interfacing in mobile phone and portable A/V player designs. The AK4645 is available in a 32pin QFN, utilizing less board space than petitive offerings.
Features
1. Recording Function
- 4 Stereo Input Selector
- Stereo Mic Input (Full-differential or Single-ended)
- Stereo Line Input
- MIC Amplifier (+32dB/+26dB/+20dB or 0dB)
- Digital ALC (Automatic Level Control) (+36dB ∼
- 54dB, 0.375dB Step, Mute)
- ADC Performance: S/(N+D): 83dB, DR, S/N: 86dB...
