Description
The CS5394 is a complete analog-to-digital converter for stereo digital audio systems. It performs sampling, analog-to-digital conversion and anti-alias filtering, generating 24-bit values for both left and right inputs in serial form. The output sample rate can be up to 50 kHz per channel.
The CS5394 uses 7th-order, delta-sigma modulation with 64× oversampling followed by digital filtering and decimation, which removes the need for an external antialias filter. The ADC uses a differential architecture which provides excellent noise rejection.

FEATUREs
• 24-Bit Conversion
• Complete CMOS Stereo A/D System
   — Delta-Sigma A/D Converters
   — Digital Anti-Alias Filtering
   — S/H Circuitry and Voltage Reference
• Adjustable System Sampling Rates
   — including 32 kHz, 44.1 kHz and 48 kHz
• 117 dB Dynamic Range (A-Weighted)
• -103 dB THD + N
• Differential Analog Circuitry
• Internal 64× Oversampling
• Linear Phase Digital Anti-Alias Filtering
   — with >117 dB Stopband Attenuation
• Single +5 V Power Supply
• Power Down Mode