AK4648 Overview
The AK4648 is a stereo CODEC with a built-in Microphone-Amplifier, Headphone-Amplifier, and Speaker-Amplifier.
AK4648 Key Features
- 4 Stereo Inputs 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)