WM8781
Production Data
APPLICATIONS INFORMATION
RECOMMENDED EXTERNAL COMPONENTS
Figure 15 External Components Diagram
RECOMMENDED EXTERNAL COMPONENTS VALUES
COMPONENT
REFERENCE
SUGGESTED
VALUE
DESCRIPTION
C1 and C8
C2 and C7
C5 and C6
R1
10µF
0.1µF
10µF
10kΩ
10kΩ
5kΩ
De-coupling for DVDD and AVDD
De-coupling for DVDD and AVDD
Analogue input AC coupling caps
Current limiting resistors
R2 and R5
R3 and R6
R4
Internal op-amp input resistor
Internal op-amp feedback resistor
Common mode resistor
3.3kΩ
0.1µF
10µF
0.1µF
10µF
C4
Reference de-coupling capacitors for VMID pin
C3
C9
Reference de-coupling capacitors for VREFP pin
C10
Table 9 External Components Description
PD, April 2006, Rev 4.1
18
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
