Description
The CS4391A is a complete stereo digital-to-analog system including digital interpolation, fourth-order deltasigma digital-to-analog conversion, digital de-emphasis, volume control, channel mixing and analog filtering. The advantages of this architecture include: ideal differential linearity, no distortion mechanisms due to resistor matching errors, no linearity drift over time and temperature and a high tolerance to clock jitter.

Features
● Complete Stereo DAC System: Interpolation, D/A, Output Analog Filtering
● 108 dB Dynamic Range
● 94 dB THD+N
● Direct Stream Digital Mode
● Low Clock Jitter Sensitivity
● +5 V Power Supply
● ATAPI Mixing
● On-Chip Digital De-emphasis for 32, 44.1, and 48 kHz
● Volume Control with Soft Ramp
    – 119 dB Attenuation
    – 1 dB Step Size
    – Zero Crossing Click-Free Transitions
● Direct Interface with 5 V to 1.8 V Logic