CDB4225 View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
'CDB4225' PDF : 30 Pages View PDF
Digital
Ground
Plane
> 1/8"
+5V
Ferrite
Bead
Ground
Connection
CS4225
Analog
Ground
Plane
CS4225
Note that the CS4225
is oriented with its
digital pins towards the
digital end of the board.
Digital
Supply
CPU & Digital
Logic
Codec
digital
signals
Codec
analog
signals &
components
Figure 9. Suggested Layout Guideline
1.0 uF
0.1 uF
1
Digital
Supply
0.1 uF
1.0 uF
1
= vias through to
ground plane
FILT
0.2 uF
= vias through to
ground plane
FILT
Analog 0.1 uF
Supply
1.0 uF
DS86PP8
0.1 uF
1.0 uF
Analog 0.1 uF
Supply 1.0 uF
Figure 10. Recommended Decoupling Capacitor Layout
0.2 uF
0.1 uF
1.0 uF
21
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