WM8728
Production Data
APPLICATIONS INFORMATION
RECOMMENDED EXTERNAL COMPONENTS (PCM AUDIO)
Figure 29 External Components Diagram
RECOMMENDED EXTERNAL COMPONENTS VALUES
COMPONENT
REFERENCE
SUGGESTED
VALUE
DESCRIPTION
C1 and C5
C2 to C4
C6 and C7
C8
10µF
0.1µF
10µF
0.1µF
10µF
10µF
10kΩ
33Ω
De-coupling for DVDD and AVDD/VREFP
De-coupling for DVDD and AVDD/VREFP
Output AC coupling caps to remove midrail DC level from outputs.
Reference de-coupling capacitors for VMID pin.
C9
C10
Filtering for VREFP. Omit if AVDD low noise.
10k pull-up to DVDD
R1
R2
Filtering for VREP. Use 0Ω if AVDD low noise.
Table 23 External Components Description
PD, Rev 4.6 August 2008
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
