96 kHz Digital Audio Transceiver

The CS8427 is a stereo, digital audio transceiver with AES3 and serial digital audio inputs and outputs, along with comprehensive control through a 4-wire microcontroller port. Channel status and user data are assembled in block-sized buffers, making read/modify/write cycles easy. A low-jitter clock-recovery mechanism yields a very clean recovered clock from the incoming AES3 stream. Target applications include audio/video receivers, multimedia speakers, digital mixing consoles, effects processors, set-top boxes, computers and automotive audio systems.


  • Complete EIAJ CP1201, IEC-60958, AES3, and S/PDIF transceiver; compatible with standards
  • Flexible 3-wire serial digital I/O ports
  • Adjustable sample rate up to 96 kHz
  • Low-jitter clock-recovery
  • Pin and microcontroller read/write access to channel status and user data
  • Microcontroller and standalone modes
  • Differential cable driver and receiver
  • On-chip channel status and user data buffer memories permit block reads and writes
  • OMCK system clock mode
  • Decodes audio CD Q subcode
  • 5 V analog supply (VA)
  • 3 V to 5 V digital supply (VL)
  • Package: 28-pin SOIC, 28-pin TSSOP; lead free assembly

Parametric Specifications

Sample Rate (kHz) 8-108
IEC-60958, AES-3, S/PDIF TX Outputs 1
IEC-60958, AES-3, S/PDIF RX Inputs 1
On-Chip Line Driver false
On-Chip SRC true
Host Interface true
Analog Power Supply (V) 5
Digital Power Supply (V)
Logic Power Supply (V) 3.3-5
Package 28 SOIC;


Comprehensive Solutions