AUDAC SMA Series - Input Configuration and Gain; Acoustics Configuration

14
MCLK
2
RAUX
14
LAUX
6
JACKDET/ MICIN
4
IN_R+
12
IN_R-
13
MICBIAS
5
IN_L-
11
IN_L+
10
25
9
22
CLATCH
3
CCLK
32
COUT
31
CIN
30
TDM_CLK
28
TDM_FS
29
TDM_IN
27
TDM_OUT
26
ROUTN
16
ROUTP
15
LHP
20
MONOOUT
21
RHP
19
LOUTN
17
LOUTP
18
23
8
1
24
DGND AGND
DVDDOUT
IOVDD
AVDD
AVDD
CM
7
33
EP
ADAU1761 U102
MOSI MISO SCK
10µF/10V C138
100nF C137
GND
GND
GND
10µF/10V C118
100nF C117
GND
100nF C120
GND
3V3
100nF C112
100nF
C119
GND
GND
100 R161
GND
100R169
12.288MHz
OE
1
2
Out
3
4
VCC GND
O100
3V3
10K R175
3V3
GND
47µH
L100
GND GND
CS_DSP1
100nF C147
GND
3V3
BAT754S
D108
AVDD
BAT754S
D109
AVDD
AVDD
10µF/10V
C129
10µF/10V
C111
MCLK
33 R173
10µF/10V
C126
5K1 R163
10µF/10V
C128
5K1 R155
10µF/10V
C108
10µF/10V
C132
10µF/10V
C110
22pF
C106
22pF
C115
GND
33KR152
33KR147
10K R149
8
1
4
3
2
LM833DG U104A
+15V -15V
10µF/10V
C130
22pF
C125
22pF
C134
GND
33K
R167
33KR157
10K R160
10K R162
84
7
5 6
LM833DG U100B
+15V -15V
10µF/10V
C133
10µF/10V
C135
4,7µF/25V
C140
4,7µF/25V
C139
-15V +15V
GND GND
IN1 IN2
OUT1+
OUT2+
L_SIG
Green LD107
68
R130
L_-20dB
Green LD105
68
R121
Yellow LD103
68
R109
L_CLIP
Green LD106
68
R129
Green LD104
68
R120
Yellow LD102
68
R108
Red LD100
68
R100
1.2nH
L101
9.1pF C121
GND
BC807 T104
2K2 R114
3V3
SEL_2
GND
10KR118
PROT_1_A
BC817 T107
3V3
10K R110
Red LD101
68
R101
PROT_1_I
GND
10KR131
PROT_2_A
BC817 T113
3V3
10K R127
PROT_2_I
12K
R111
1K
R116
BC817 T106
24K
R106
3V3
CLIP_1_I
12K
R134
1K
R135
BC817 T114
24K
R126
3V3
CLIP_2_I
CLIP_1_A
CLIP_2_A
GND
GNDGND
GND
GNDGND
GND
open
R159
GND
open R166
GND
GND
CLIP_1_A PROT_1_A SIGNAL1_A
TEMP_1_A
GND GND
OUT1+
GND
CLIP_2_A PROT_2_A SIGNAL2_A
TEMP_2_A
GND
GND
OUT2+
68K
R104
2K8
R107
1N4148
D100
GND
SIGNAL1_I
13K
R112
2K2
R117
GND
TEMP_1_I
68K
R124
2K8
R128
1N4148
D104
GND
SIGNAL2_I
13K
R136
2K2
R138
GND
TEMP_2_I
22pF
C109
22pF
C127
GND
5K1 R156
5K1 R151
10K R153
10K R154
8
1
4
3
2
LM833DG U103A
+15V
-15V
22pF C131
22pF
C144
GND
5K1 R174
5K1
R164
10K R170
10K R172
84
7
5
6
LM833DG U103B
+15V -15V
4,7µF/25V
C146
4,7µF/25V
C145
-15V
+15V
GND
GND
47µF/25V
C124
47µF/25V
C116
47µF/25V
C136
47µF/25V
C143
220pF
C142
220pF
C123
1
2
3
4
5
6 7
8
9
10 11
12
Header 12 P103
GND
IN_1+ IN_1- IN_2+ IN_2- IN_3+ IN_3- IN_4+ IN_4-
IN_1+ IN_1-
IN_2- IN_2+
10µF/10V
C107
10µF/10V
C113
2.2µF/6V3
C102
2.2µF/6V3
C104
BC807 T102
2K2 R113
3V3
SEL_1
L_SIG
L_-20dB
L_CLIP
AVB_FS1
AVB_CLK1 AVB_IN1 AVB_OUT1
BC817 T103
3V3
0.22µF C148
GND
470K R105
BC817 T105
3V3
0.22µF C149
GND
470K R115
AVB_FS1 AVB_CLK1 AVB_IN1 AVB_OUT1 MOSI MISO SCK CS_AVB AVB_CLK2 AVB_IN2 AVB_OUT2 AVB_FS2
GND
+5V
100
R119
100
R122
100
R125
L_PROTL_PROT
MUTE_2_A MUTE_1_A
BC817 T100
10K R102
MUTE_1_O
GND
BC817 T101
10K R103
MUTE_2_O
GND
1 2
3 4
5 6
7
8 9
10
11
12
Header 12
P101
TE CONNECTIVITY/AMP 1-84984-2
1 2
3
4 5
6
7
8 9
10
11
12
Header 12
P100
TE CONNECTIVITY/AMP 1-84984-2
GND GND
M_CLOCK M_CLOCK
1
2
3
4
5
6
7 8
9
10
11 12
13
14
15
16
17
18
Header 2x9 2.54mm pitch
P104
-15V
+15V
10K R123
10K R139
2K2 R140
GND
GND
2K2 R165
OUT2-
OUT1-
10µF/10V
C152
8
1
4
3
2
LM833DG U100A
OUT2-
GND
10µF/10V
C151
GND
10K R150
84
7
5
6
LM833DG U104B
OUT1-
4,7µF/25V
C105
4,7µF/25V
C103
-15V
+15V
GND
GND
10K R2
3V3
GND
SW-SPST
S2
100nF C3
GND
Sw_Ch2
10K R1
3V3
GND
SW-SPST
S1
100nF C2
GND
Sw_Ch1
4K7 R143
3V3
2 4
Ref product BOM 1.1
Title: Number: Revision:
Sheet of
Drawn By: DC
SMA
Project:
SCH DSP BOARD FOR SMA V1.25 CODEC
AU513502132 DSP BOARD FOR SMA V1.25 CODEC