AK4679
Description
The AK4679 is a 24bit stereo CODEC and a built-in Microphone-Amplifier, Receiver-Amplifier, Mono Class-D Speaker-Amplifier, Cap-less Class-G Headphone-Amplifier and Line-Amplifier as well as HF/Audio DSP. The AK4679 features AKM DSP core to deal with hands free function for wide band and dual PCM I/F in addition to audio I/F that allows eas y interfacing in mobile phone designs with Bluetooth I/F.
Key Features
- Recording Function (Stereo CODEC)
- 4 Stereo Input Selectors
- 4 Stereo Inputs (Single-ended) or 3 Mono Input (Full-differential)
- MIC Amplifier: +24dB ~ -6dB, 3dB step
- 2 Output MIC Power Supplies
- Digital ALC (Automatic Level Control): +36dB ~ -54dB, 0.375dB Step, Mute
- ADC CHARACTERISTICS: S/(N+D): 80dB, DR, S/N: 87dB (MIC-Amp=+18dB) S/(N+D): 80dB, DR, S/N: 92dB (MIC-Amp=0dB)
- Stereo Digital MIC Interface
- Wind-noise Reduction Filter
- Stereo Separation Emphasis
