User Manual

CS8427
DS477F5 11
2. TYPICAL CONNECTION DIAGRAM
* A separate analog supply is only necessary in applications where RMCK is used
for a jitter sensitive task. For applications where RMCK is not used for a jitter
sensitive task, connect VA+ to VD+ via a ferrite bead. Keep the decoupling
capacitor between VA+ and AGND.
CS8427
Cable
Termination
RXP
RXN
AES3/
SPDIF
Source
3-wire Serial
Audio Source
ILRCK
ISCLK
SDIN
Clock Source
and Control
RMCK
OMCK
Hardware
Control
RST
RERR
EMPH
TCBL
To other
CS8427's
Cable
Interface
AES3/
SPDIF
Equipment
TXP
TXN
3-wire Serial
Audio Input
Device
OLRCK
OSCLK
SDOUT
Microcontroller
SDA/CDOUT
AD0/CS
SCL/CCLK
AD1/CDIN
U
INT
VA+ V L +
Ferrite *
Bead
+5.0 V
Analog
Supply*
0.1 Fμ
0.1 Fμ
DGNDFILTAGND
RFILT
CFILT CRIP
H/S
+3.3 V or +5.0 V
Digital Supply
DA2/
Figure 5. Recommended Connection Diagram for Software Mode