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ASAHI KASEI
[AK4343]
AK4343
Stereo DAC with HP/RCV/SPK-AMP
GENERAL DESCRIPTION The AK4343 is a stereo DAC with a built-in Headphone-Amplifier, Receiver-Amplifier and 1. 2W output Speaker-Amplifier. The AK4343 features analog mixing circuits and PLL that allows easy interfacing in mobile phone and portable A/V player designs. The AK4343 is available in a 32pin QFN, utilizing less board space than competitive offerings. FEATURES 1. Playback Function • Digital De-emphasis Filter (tc=50/15µs, fs=32kHz, 44. 1kHz, 48kHz) • Bass Boost • Soft Mute • Digital Volume (+12dB ∼ −115. 0dB, 0. 5dB Step, Mute) • Digital ALC (Automatic Level Control) (+36dB ∼ −54dB, 0. 375dB Step, Mute) • S...