AK4438 Overview
The AK4438 is an 8-channel 32-bit DAC which corresponds to digital audio systems. An internal circuit includes newly developed 32-bit Digital Filter achieving short group delay and high quality sound. It corresponds to a 768kHz PCM input at maximum, suitable for play backing high resolution audio sources that are being widespread in network audios, USB-DACs and Car Audio Systems.
AK4438 Key Features
- 256 x Over sampling
- 32-bit High Quality Sound Short Delay Digital Filter
- Single-ended Output, Smoothing Filter
- THD+N: 91dB
- DR, S/N: 108dB
- Channel Independent Digital Volume Control (0dB～-127dB, 0.5dB Step, Mute)
- Soft Mute
- De-emphasis Filter (supporting 32kHz, 44.1kHz and 48kHz)
- I/F Format: MSB justified, LSB justified, I2S, TDM
- Zero Detection