WM8711BL Wolfson Microelectronics, WM8711BL Datasheet - Page 41

• Manufacturer Part Number: WM8711BL
• Description: Ultra-Small Audio DAC
• Manufacturer: Wolfson Microelectronics

Production Data
Figure 36 External Components Diagram
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RECOMMENDED EXTERNAL COMPONENTS
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.
X
2-wire Interface
3-wire Interface
1
I/F
Audio Serial Data
should have a C
3-wire or 2-wire
MPU Interface
1.5V - 3.3V
DGND
5.6k Ω
5.6k Ω
3.3V
L
of around 12pF and Cp should be around 15pF.
10µF
10k Ω
3.3V
+
+
10 µ F
1 µ F
1 µ F
+
+
VREF
VREF
0.1 µ F
0.1µ F
LLINEIN
SCLK
CSB
SDIN
MODE
DGND
DCVDD
DACLRC
DACDAT
DBVDD
BCLK
RLINEIN
XTI/MCLK
WM8711BL
Cp
DAC
X
1
XTO
Cp
*GND_PADDLE
LHPOUT
RHPOUT
CLKOUT
HPVDD
HPGND
AGND
AVDD
ROUT
LOUT
VMID
+
220 µ F
220 µ F
+
+
+
1 µ F
1 µ F
0.1 µ F
0.1 µ F
0.1µ F
100 Ω
PD, Rev 4.1, April 2007
47kΩ
47k Ω
3.3V
3.3V
47kΩ
47kΩ
WM8711BL
+
100Ω
+
+
100Ω
10 µ F
10 µ F
10 µ F
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