CS8420 CIRRUS [Cirrus Logic], CS8420 Datasheet - Page 10

• Manufacturer Part Number: CS8420
• Description: DIGITAL AUDIO SAMPLE RATE CONVERTER
• Manufacturer: CIRRUS [Cirrus Logic]

2.
10
TYPICAL CONNECTION DIAGRAM
AES3/
SPDIF
Source
* A separate analog supply is only necessary in applications where
3-wire Serial
Audio Source
Clock Source
and Control
+5V
Analog
Supply *
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.
Cable
Termination
Hardware
Control
Figure 5. Recommended Connection Diagram for Software Mode
To other
CS8420’s
47k
Ferrite *
Bead
RERR
RST
TCBL
RXP
RXN
ILRCK
ISCLK
SDIN
RMCK
OMCK
EMPH
AGND
VA+
0.1 F
CS8420
FILT
0.1 F
RFILT
CFILT
SDA/CDOUT
SCL/CCLK
AD1/CDIN
VD+
OLRCK
OSCLK
SDOUT
AD0/CS
DGND
TXP
TXN
H/S
INT
CRIP
U
+5V
Digital
Supply
Cable
Interface
3-wire Serial
Audio Input
Device
Microcontroller
AES3/
SPDIF
Equipment
CS8420
DS245PP2