Description
The CS4385 is a complete 8-channel digital-to-analog system. This D/A system includes digital de-emphasis, half-dB step size volume control, ATAPI channel mixing, selectable fast and slow digital interpolation filters followed by an oversampled, multi-bit delta sigma modulator which includes mismatch-shaping technology that eliminates distortion due to capacitor mismatch. Following this stage is a multi-element switched capacitor stage and low-pass filter with differential analog outputs.

Features
♦ Advanced Multi-bit Delta Sigma Architecture
♦ 24-bit Conversion
♦ Automatic Detection of Sample Rates up to 192 kHz
♦ 114 dB Dynamic Range
♦ -100 dB THD+N
♦ Direct Stream Digital Mode
    – Non-Decimating Volume Control
    – On-Chip 50 kHz Filter
    – Matched PCM and DSD Analog Output Levels
♦ Compatible with Industry-Standard Time Division Multiplexed (TDM) Serial Interface
♦ Selectable Digital Filters
♦ Volume Control with 1/2-dB Step Size and Soft Ramp
♦ Low Clock-Jitter Sensitivity
♦ +5 V Analog Supply, +2.5 V Digital Supply
♦ Separate 1.8 to 5 V Logic Supplies for the Control and Serial Ports