MS8422N
Hangzhou Ruimeng Technology Co.,Ltd
VERSION: V2.3
2023.08.03
http://www.relmon.com
- PAGE 1 -
24-bit, 192kHz, Asynchronous Sample Rate Converter
with Integrated Digital Audio Receiving Interface
PRODUCT DESCRIPTION
The MS8422N is a 24-bit and high-performance asynchronous
sampling rate converter, which integrates digital audio interface
receiver and supports IEC60958, S/PDIF, EIAJ CP1201 and AES3
interface standards. The audio data inputs from audio interface
receiver or three-wire serial audio input port and outputs from 2
three-wire serial audio output ports. In software or hardware mode,
the MS8422N can be controlled by the control port.
FEATURES
âš« SPI or I
2
C Software Mode and Stand-alone Hardware Mode
âš« Flexible 3-wire Digital Serial Audio Input Port
âš« Two Serial Audio Outputs with Independent Data Path Selection
âš« All Serial Audio Ports Support Master-slave Mode
âš« Time Division Multiplexing Mode(TDM)
âš« 4 General Purpose Outputs(GPO)
âš« +3.3V Analog Supply Voltage(VA)
âš« +1.8V-5.0V Digital Interface Voltage(VL)
âš« IEC60958, S/PDIF, EIAJ CP1201 and AES3 Protocols Compatible
âš« 28kHz to 216kHz Sampling Frequency Range
âš« 2:1 Differential AES3 or 4:1 S/PDIF Input Multiplexer
âš« Low Jitter Clock Recovery
âš« No External PLL Filter Required
âš« Selectable and Automatic Clock Switching
âš« On-chip Channel State Data Buffer
âš« Automatically Detect Compressed Input Audio Data Streams
âš« Decode CD Q Sub-Code
âš« 140dB Dynamic Range
âš« -120 dB THD+N
PRODUCT SPECIFICATION
Part Number
Package
Marking
MS8422N
QFN32
MS8422N
QFN32
APPLICATIONS
âš« Digital Recording System
âš« Digital Mixing Console
âš« High-performance Analog-to-
digital Converter
âš« Digital Audio Processor
MS8422N
Hangzhou Ruimeng Technology Co.,Ltd
VERSION: V2.3
2023.08.03
http://www.relmon.com
- PAGE 2 -
BLOCK DIAGRAM
Serial
Audio
Input
PLL
Digital Core
SPI/I
2
C Interface
Serial
Audio
Output
Clock
Generator
General
Outputs
Serial
Audio
Output
SDIN
ISCLK
ILRCK
RX0/RXP0
RX1/RXN0
RX2/RXP1
RX3/RXN1
VA
AGND
DGND
V_REG
SDOUT1
OSCLK1
OLRCK1
TDM_IN
SDOUT2
OSCLK2
OLRCK2
GPO0
GPO1
GPO2
GPO3
XTI XTO RMCK
SDA/
CDOUT
SCL/
CCLK
AD1/
CDIN
AD0/
CS
VL
4:1
Multiplexer