WM9707
Advanced Information
RECOMMENDED EXTERNAL COMPONENTS
DVDD
AVDD
C4
1
25
38
DVDD1
AVDD1
AVDD2
9
C1
DVDD2
C3
C2
4
7
26
42
DVSS1
DVSS2
AVSS1
AVSS2
DGND
AGND
12
13
14
15
16
17
18
19
20
21
22
23
24
C5
PCBEEP
PHONE
AUXL
C6
27
28
VREF
C7
VREFOUT
C8
C18
C19
C20
+
AUXR
C9
VIDEOL
VIDEOR
CDL
C10
C11
C12
C13
C14
C15
C16
C17
32
C21
CAP2
C22
+
MIXER
AGND
INPUTS
CDGND
CDR
WM9707
AGND
33
34
MIC1
CX3D1
CX3D2
C23
MIC2
C24
LINEINL
LINEINR
AGND
35
36
37
39
41
C25
C26
C27
C28
C29
+
+
+
+
+
LINEOUTL
LINEOUTR
MONOOUT
LNLVLOUTL
LNLVLOUTR
STEREO OUTPUT
MONO OUTPUT
MASTER/
SLAVE
SELECT
45
CID
LINE LEVEL STEREO
AVDD
AVSS
5
6
SDATAOUT
BITCLK
SDATAIN
SYNC
44
SPDIF ENABLE
8
AC-LINK
48
47
SPDIF
EAPD
10
11
RESETB
XTLIN
XTLOUT
3
Notes:
2
1. C1 to C24 should be as close to
WM9707 as possible.
XT
2. AGND and DGND should be
connected as close to WM9707
as possible.
C31
C30
DGND
Figure 17 External Components Diagram
WOLFSON MICROELECTRONICS LTD
AI Rev 2.2 January 2001
28
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
