AK4695 Overview
The AK4695 is a low power consumption 24bit stereo CODEC with microphone, headphone, speaker and line amplifiers. The input circuits include 4ch microphone amplifiers, input selectors and an ALC (Automatic Level Control) circuit, and the output circuits include a line amplifier, a cap-less headphone amplifier and a speaker amplifier. It is suitable for portable application with recording/playback function.
AK4695 Key Features
- Two Low Noise MIC Power Supplies
- Stereo Single-ended input with five Selectors
- Low Noise MIC Amplifier: +30dB ~ +24dB (3dB Step), +21dB ~ +3dB (1.5dB Step)
- ADC Performance: S/(N+D): 86dB, DR, S/N: 98dB (MIC-Amp=+21dB)
- Microphone Sensitivity pensation: 0dB ~ 9dB, 0.75dB Step
- HPF x 2/LPF, 2-band Equalizer
- 4ch Digital ALC (Automatic Level Control)
- Soft Mute
- 4ch Digital MIC Interface 2. Playback Function
- Digital ALC (Automatic Level Control)