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WM9712CLGEFL/V bảng dữ liệu(PDF) 71 Page - Wolfson Microelectronics plc

tên linh kiện WM9712CLGEFL/V
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Trang chủ  http://www.wolfsonmicro.com
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WM9712CLGEFL/V bảng dữ liệu(HTML) 71 Page - Wolfson Microelectronics plc

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Production Data
WM9712L
w
PD, Rev 4.6, November 2011
71
APPLICATIONS INFORMATION
RECOMMENDED EXTERNAL COMPONENTS
1
9
25
38
DBVDD
DCVDD
AVDD
AVDD2
PCBEEP
19
PHONE
20
MIC1
21
MIC2
22
LINEINL
23
LINEINR
24
SDATAOUT
BITCLK
6
SDATAIN
8
SYNC
10
RESETB
11
AC-LINK
XTLOUT
3
XTLIN
GND
XT
4
7
DGND2
DGND1
AGND
26
AGND2
34
SPKGND
40
LOUT2
35
ROUT2
36
OUT3
HPOUTL
39
HPOUTR
41
GPIO1
44
GPIO2/IRQ
45
GPIO3
46
GPIO4
47
GPIO/SPDIF_OUT
48
MICBIAS
28
VREF
27
CAP2
32
2
WM9712L
AGND
+
+
+
+
AGND
+
AGND
+
C15
C27
C28
C9
C12
C13
C14
C10
C16
C17
C18
C19
C20
+
C11
C25
C26
C22
C23
5
SPKVDD
HPVDD
GND
AGND
GND
HPGND
AGND1
18
42
43
13
COMP1
CREF
COMP3
COMP2
12
31
30
29
MONOOUT
33
+ C21
C6
C5
C4
C3
C2
C1
Layout Notes:
1. C1 to C6, C9 C11 and C13 should be as close to
the relative WM9712L connecting pin as possible.
2. AGND and DGND should be connected as close
to the WM9712L as possible.
3. For added strength and heat dissipation, it is recommended
that the GND_PADDLE(Pin 49) is connected to AGND.
37
+ C24
DVDD
AVDD
See External Components
Descriptions for details
C8
DVDD
+
GND
C7
+
AGND
AVDD
R1
DBVDD
R2
GND
GND
One of the three possible
configurations MUST be used:
R1 - Default power down.
R2 - Default power on & GPIO
function used.
GND - Default power on &
GPIO function not used.
X+/BR
14
Y+/TR
15
X-/TL
16
Y-/BL
17
GND_PADDLE
49
AGND
Figure 23 External Components Diagram



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