Production Data
WM8737L
RECOMMENDED EXTERNAL COMPONENTS
Notes:
1. C1-18 should be fitted as close to WM8737 as possible.
2. AGND and DGND should be connected as close to WM8737 as possible
Figure 28 External Components Diagram
COMPONENT
REFERENCE
SUGGESTED
VALUE
DESCRIPTION
Decoupling for AVDD
C1
C2
100nF
10F
100nF
10F
100nF
10F
100nF
10F
100nF
10F
100nF
10F
100nF
10F
1F
Reservoir capacitor for AVDD
Decoupling for MVDD
C3
Reservoir capacitor for MVDD
Decoupling for DCVDD
C4
C5
Reservoir capacitor for DCVDD
Decoupling for DBVDD
C6
C7
Reservoir capacitor for DBVDD
Decoupling for VMID
C8
C9
Reservoir capacitor for VMID
Decoupling for MICBIAS
C10
C11
C12
C9
Reservoir capacitor for MICBIAS
Decoupling for VREF
Reservoir capacitor for VREF
RACIN to RACOUT coupling capacitor
LACIN to LACOUT coupling capacitor
C10
C11
C12
1F
Table 24 External Components Descriptions
PD, Rev 4.4, January 2012
37
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
