AK4671
Description
The AK4671 is a stereo CODEC with a built-in Microphone-Amplifier, Receiver-Amplifier and Headphone-Amplifier. The AK4671 features dual PCM I/F in addition to audio I/F that allows easy interfacing in mobile phone designs with Bluetooth I/F.
Key Features
- 4 Stereo Input Selector x 2ch
- 4 Stereo Inputs (Single-ended) or 2 Stereo Input (Full-differential)
- MIC Amplifier: +30dB ∼ -12dB, 3dB step
- Digital ALC (Automatic Level Control): +36dB ∼ -54dB, 0.375dB Step, Mute
- Wind-noise Reduction Filter
- Stereo Separation Emphasis
- 5-band Programmable Notch Filter
- Audio Interface Format: 16bit MSB justified, I2S, DSP Mode
- Playback Function (Stereo CODEC)
- Digital Volume (+12dB ∼ -115.0dB, 0.5dB Step, Mute)
