AK4640 Description
The AK4640 targeted at PDA and other low-power, small size applications.
AK4640 Key Features
- Mono Input
- 2 to 1 Selector (Internal and External MIC)
- 1st MIC Amplifier : +20dB or 0dB
- 2nd Amplifier with ALC : +27.5dB ∼ -8dB, 0.5dB Step
- ADC Performance : S/(N+D) : 79dB, DR, S/N : 83dB 3. Playback Function
- Digital De-emphasis Filter (tc=50/15µs, fs=32kHz, 44.1kHz, 48kHz)
- Digital Volume (0dB ∼ -127dB, 0.5dB Step, Mute)
- Headphone-Amp
- S/(N+D) : 70dB, S/N : 90dB