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AK4645

AKM
Part Number AK4645
Manufacturer AKM
Description Stereo CODEC
Published May 11, 2014
Detailed Description ASAHI KASEI [AK4645] AK4645 Stereo CODEC with MIC/HP-AMP GENERAL DESCRIPTION The AK46 45 is a s tereo CODEC wit h a bu...
Datasheet PDF File AK4645 PDF File

AK4645
AK4645

Overview
ASAHI KASEI [AK4645] AK4645 Stereo CODEC with MIC/HP-AMP GENERAL DESCRIPTION The AK46 45 is a s tereo CODEC wit h a bu ilt-in Microphone-Amplifier and Headphone-Amplifier.
Th e 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 competitive 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 (MIC-Amp=+20dB) S/(N+D): 88dB, DR, S/N: 95dB (MIC-Amp=0dB) • Wind-noise Reduction Filter • Stereo Separation Emphasis • Programmable EQ 2.
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...


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