
Cirrus Logic
Description
The CS4382A is a complete 8-channel digital-to-analog system. This D/A system includes digital de-emphasis, 1 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 distortiondue 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
Up to 192 kHz Sample Rates
114 dB Dynamic Range
-100 dB THD+N
Direct Stream Digital®(DSD™) Mode
On-chip 50 kHz Filter
Matched PCM and DSD Analog Output Levels
Selectable Digital Filters
Volume Control with 1 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 & Serial Ports