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VDD_ANA
Default setting: close
R121
PA4
C63
Audio_OUT_L
0
330nF
C62
[N/A]
JP14
1
R143
2
C81
PA5
3
0
Audio_OUT_R
330nF
C79
[N/A]
VDD_ANA
R109
C61
1K
10uF
R105
TP9
2K2
C51
R100
MIC+
100
100nF
C52
47pF
VDD_ANA
R101
R94
100K
18K
R98
15K
C54
C48
R104
4.7uF
2.2uF
100K
Figure 24. STM32091C-EVAL Audio
VDD_ANA>2.2V
C69
1.5nF
C65
R127
JP17
R180
10K
4K7
220uF
U18
6
2
Shutdown
VOUT1
R124
3
8
VDD_ANA
VIN1
VOUT2
7
1
20K
VIN2
VCC
4
5
Bypass
GND
C74
9
1uF
TS488IQT
C66
R149
1uF
C76
20K
1.5nF
R145
4K7
VDD_ANA>2.7V
C53
VDD_ANA
100nF
U15
3
TS461CLT
1
R99
0
4
RV1
[N/A]
C49
R95
2
680
180pF
R96
82K
C50
4.7uF
CN13
3
6
Left
R120
4
Right
1K
2
Microphone
PJ-3028B
C73
100nF
C78
R141
220uF
1K
TP10
MIC_OUT
R108
R107
PA6
Audio_IN
510
0
C57
[N/A]
Title:
Audio
Project:
STM32091C-EVAL
Size:
A4
Reference:
MB1169
Date:
7/25/2014
Revision:
B.1
Sheet:
4
of
14
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