AK4499

[AK4499] AK4499 Premium Switched Resistor 4ch DAC 1. General Description The AK4499 is a 32-bit 4ch Switched Resistor DAC which adopts newly developed technology, achieving the industry’s leading level low distortion and low noise characteristics. It corresponds to a 768kHz PCM input and an DSD512 input at maximum, suitable for playback of high resolution audio sources that are becoming widespread in Network Audio and USB-DACs Audio systems. In addition, it is capable of supporting a wide range of signals and achieving low out-of-band noise. The AK4499 has six types of 32-bit digital filters, realizing simple and flexible sound reproduction in wide range of applications. 2. Features 4-ch Switched Resistor DAC THD+N: -124 dB Dynamic Range, S/N: 140 dB (Mono), 137 dB (Stereo), 134 dB (4ch) 128x Over Sampling Sampling Rate: 8 kHz to 768 kHz 32-bit 8x Digital Filter Short Delay Sharp Roll-off, GD = 6.0/fs Short Delay Slow Roll-off, GD = 5.0/fs Sharp Roll-off Slow Roll-off Super Slow Roll-off Low Dispersion Short Delay Filter DSD64, DSD128, DSD256, DSD512 Input Support Filter1 (fc = 37 kHz, DSD64 mode) Filter2 (fc = 65 kHz, DSD64 mode) Digital De-emphasis for 32, 44.1 and 48kHz sampling Soft Mute Digital Attenuator (0 dB to -127 dB, 0.5 dB step + mute) Mono Mode External Digital Filter Interface (EXDF Mode) PCM/DSD, EXDF/DSD Mode Automatic Mode Switching Function Audio I/F Format - MSB Justified - LSB Justified - I2S - DSD - TDM...