Click to expand full text
[AK4673]
AK4673
Stereo CODEC with MIC/HP-AMP and Touch Screen Controller
GENERAL DESCRIPTION
The AK4673 is a stereo CODEC with a built-in Microphone-Amplifier, Headphone-Amplifier and Touch
Screen Controller (TSC) which includes the SAR type ADC. The AK4673 features analog mixing circuits,
PLL and a 4-wire resistive touch screen I/F that allows easy interfacing in mobile phone and portable A/V
player designs. The AK4673 is available in a 57pin BGA package, utilizing less board space than
competitive offerings.
FEATURES 1. Recording Function
• 4 Stereo Input Selectors • 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.