AK4538 Overview
Description
The AK4538 targeted at PDA and other low-power, small size applications. It features a 16-bit stereo CODEC with a built-in Microphone-Amplifier, Headphone-Amplifier and Speaker-Amplifier.
Key Features
- Recording Function
- 1ch Mono Input
- 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
- Playback Function
- Digital Volume (0dB ∼ -127dB, 0.5dB Step, Mute)
- Stereo Line Output
- Performance : S/(N+D) : 88dB, S/N : 92dB
- Headphone-Amp