Description
The CS4228A codec provides two analog-to-digital and six digital-to-analog Delta-Sigma converters, along with volume controls, in a compact 28-pin SSOP device. Combined with an IEC958 (SPDIF) receiver (like the CS8414) and 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 other multi-channel formats.

Features
● Six 24-bit D/A converters
   - 100 dB dynamic range
   - -90 dB THD+N
● Two 24-bit A/D converters
   - 97 dB dynamic range
   - -88 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