Production Data
WM8711BL
RECOMMENDED EXTERNAL COMPONENTS
3.3V
3.3V
DBVDD
DGND
+
AVDD
AGND
+
0.1
F
F
0.1 F
10
F
10 F 0.1 F
3.3V
+
1.5V - 3.3V
+
HPVDD
HPGND
DCVDD
LLINEIN
10 F
0.1
F
+
5.6k
1 F
+
+
100
VREF
VREF
LOUT
ROUT
+
5.6k
1 F
47k
RLINEIN
1 F
100
WM8711BL
DAC
1 F
47k
DACLRC
DACDAT
BCLK
Audio Serial Data
I/F
+
LHPOUT
220 F
47k
3.3V
3-wire Interface
2-wire Interface
10k
+
MODE
CSB
SDIN
SCLK
DGND
RHPOUT
3-wire or 2-
MPU Interface
wire
220 F
47k
CLKOUT
VMID
100
+
0.1 F
10 F
*GND_PADDLE
XTI/MCLK XTO
X1
Cp
Cp
Note
1. Where possible, it is recommended that NPO or COG type capacitors should be used for best performance.
2. *Ground Paddle in centre of QFN package back side.
3. X1 should have a CL of around 12pF and Cp should be around 15pF.
Figure 36 External Components Diagram
PD, Rev 4.2, December 2011
4143
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
