24-Bit, 96 kHz, Surround Sound CODEC

The CS4228A CODEC provides two A/D and six D/A Delta-Sigma converters, along with volume controls, in a compact 28-pin SSOP device. Combined with surround sound decoder (such as one of the CS492X or CS493XX families), it is ideal for use in DVD player, A/V receiver, and car audio systems supporting multiple standards such as Dolby Digital AC-3, AAC, DTS, Dolby ProLogic, THX, and MPEG.

A flexible serial audio interface allows operation in left justified, right justified, I²S, or one-line data modes.

• 6 24-bit D/A converters
  • 100 dB dynamic range
  • -90 dB THD+N
• 2 24-bit A/D converters
  • 97 dB dynamic range
  • -95 dB THD+N
• Sample rates up to 100 kHz
• Pop-free digital output volume controls
  • 90.5 dB range, 0.5 dB resolution (182 levels)
  • Variable smooth ramp rate, 0.125 dB steps
• Mute control pin for off-chip muting circuits
• On-chip anti-alias and output filters
• De-emphasis filters for 32, 44.1, and 48 kHz
• Package: 28-pin SSOP