WM8253
Production Data
RECOMMENDED EXTERNAL COMPONENTS
Figure 18 External Components Diagram
COMPONENT
REFERENCE
SUGGESTED
VALUE
DESCRIPTION
De-coupling for DVDD2.
C1
C2
100nF
100nF
100nF
10nF
De-coupling for DVDD1.
De-coupling for AVDD.
C3
High frequency de-coupling between VRT and VRB.
Low frequency de-coupling between VRT and VRB (non-polarised).
De-coupling for VRB.
C4
C5
1F
C6
100nF
100nF
100nF
10F
De-coupling for VRT.
C7
De-coupling for VRLC.
C8
Reservoir capacitor for DVDD2.
Reservoir capacitor for DVDD1.
Reservoir capacitor for AVDD.
Input coupling capacitor
C9
C10
C11
C12
10F
10F
200pF
Table 6 External Components Descriptions
PD, Rev 4.1, August 2011
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