Nautel VX150 - Figure SD-8: NAPI189 Analog Audio PWB (Sheet 2 of 2)

VERSION 2.0 2023-04-20 SD-8
Figure SD-8: NAPI189 Analog Audio PWB (Sheet 2 of 2)
118pF
C105
18pF
C93
10.0K
R126
10.0K
R108
1000
R128
1000
R127
1000
R110
1000
R109
AC2
AC1
V- V+
U21
V_CLAMP_MPX- V_CLAMP_MPX+
39.2K
R111
1
2
3
5
6
AD8274ARMZ
U16:1
1
2
3
U18:1
+5V-A
0.1
C100
VOUT
6
GND2
2
GND1
1
VIN
4
LT1790BIS6-2.5
U22
1.0
25V
C102
1000
R117
2.2
25V
C97
REFIN-A
1
REFGND-A
2
REFGND-B
3
REFIN-B
4
DVDD
7
GND
8
CS
9
SCLK
10
SD0-A
11
SD0-B
12
GND
13
AVDD
14
PPAD
17
ADS8350IRTET
U17:18
10.0K
R85
10.0K
R93
10.0K
R96
10.0K
R101
18pF
C125
18pF
C114
10.0K
R148
10.0K
R135
1000
R150
1000
R149
1000
R136
1000
R137
AC2
AC1
V- V+
U26
V_CLAMP_MPX- V_CLAMP_MPX+
39.2K
R151
1
2
3
5
6
AD8274ARMZ
U25:1
1
2
3
U19:1
10
C59
10
C71
10
C90
0.1
C85
10
C54
0.1
C67
OUT
1
ADJ
2
BYP
3
GND
4
SHDN
5
N/C
6
N/C
7
IN
8
LT1762EMS8
U12:9
1.0
C68
0.01
C61
2.2
C60
OUT
1
ADJ
2
BYP
3
GND
4
SHDN
5
N/C
6
N/C
7
IN
8
LT1762EMS8
U11:9
1.0
C46
0.01
C44
2.2
C43
121K
R71
39.2K
R72
OUT
1
ADJ
2
BYP
3
GND
4
SHDN
5
N/C
6
N/C
7
IN
8
LT1762EMS8
U7:9
1.0
C37
0.01
C36
2.2
C35
+8V+12V
15.0K
R79
+5V-A
221K
R87
39.2K
R88
+5V-A+12V
+5V-D +3.3V
33.2K
R55
56.2K
R54
+5V-A
+3.3V
SW
1
SLEW
2
PWRGD
3
SYNC/FREQ
4
SS
5
EN
6
COMP
7
FB
8
VREF
9
GND
10
VREG
11
PVIN
12
AVIN
13
NIC
14
NIC
15
NIC
16
ADP5074ACPZ-R7
U20:18
10
C79
0.1
C91
1.0
C92
1.0
C78
10
C72
10.0K
R119
15.0K
R118
10.0K
R107
10.0K
R114
10.0K
R105
221K
R120
0.0
R123
+12V
+8V
3.3μH
L3
STPS140A
CR4
-8V
+VS
7
-VS
4
AD8274ARMZ
U16:2
+VS
7
-VS
4
AD8274ARMZ
U25:2
V-
4
V+
8
ADA4075-2ARZ
U19:3
V-
4
V+
8
ADA4075-2ARZ
U18:3
0.1
C56
1.0
C55
+8V
0.1
C113
1.0
C112
+8V
0.1
C83
1.0
C73
-8V
0.1
C121
1.0
C120
-8V
GND2
GND2
GND2
GND2 GND2
GND2
GND2
3300pF
C77
GND2
15pF
C99
GND2
GND2GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
10.0K
R106
10.0K
R102
56.2K
R94
0.1
C87
1.0
C86
+8V
0.1
C98
1.0
C101
+8V
0.1
C108
1.0
C107
-8V
0.1
C104
1.0
C103
-8V
GND2
J1:1
2
J5:2
4
J5:4
6
J5:6
8
J5:8
24
J5:24
26
J5:26
28
J5:28
30
J5:30
20
J5:20
MPX1
MPX2
GND2
#MPX CS-
MPX CLK
8350 DOUTA
8350 DOUTB
J1:2
GND2
235-3020-SCH02
Iss. C
1
J5:1
5
J5:5
3
J5:3
7
J5:7
18
J5:18
12
J5:12
14
J5:14
16
J5:16
22.1
R103
1500pF
C74
22.1
R90
1500pF
C58
1500pF
C118
1500pF
C117
22.1
R145
22.1
R144
1
2
3
U15:1
5
6
7
U15:2
100
R82
100
R113
V-
4
V+
8
ADA4075-2ARZ
U15:3
0.1
C95
1.0
C94
-8V
0.1
C65
1.0
C69
+8V
1
2
3
U23:1
5
6
7
U23:2
V-
4
V+
8
ADA4075-2ARZ
U23:3
100
R153
0.1
C115
1.0
C116
+8V
0.1
C124
1.0
C119
-8V
5
6
7
U19:2
5
6
7
U18:2
MPX1+
1/16W
7150
R83
1/16W
7150
R77
1/16W
3570
R78
1/16W
4120
R84
1/16W
2100
R92
1/16W
4120
R91
100pF
50V
C57
50V
220pF
C52
100pF
50V
C89
1
2
3
U14:1
7
6
5
U14:2
-Vs
4
+Vs
8
OPA2156ID
U14:3
50V
470pF
C76
1/16W
7150
R139
1/16W
7150
R132
1/16W
3570
R133
1/16W
4120
R140
1/16W
2100
R143
1/16W
4120
R142
100pF
50V
C110
50V
220pF
C109
100pF
50V
C128
1
2
3
U24:1
7
6
5
U24:2
50V
470pF
C122
-Vs
4
+Vs
8
OPA2156ID
U24:3
0.1
50V
C53
0.1
50V
C111
0.1
50V
C127
0.1
50V
C88
+8V
+8V
-8V
-8V
10.0K
R104
TP11
10.0K
R146
TP13
10.0K
R86
TP8
10.0K
R70
TP7
10.0K
R53
TP6
-8V
TP15
10.0K
R147
10.0K
R134
TP12
50V
39pF
C75
50V
39pF
C123
ANIP-A
15
ANIM-A
16
AINM-B
5
AINP-B
6
MPX2+
MPX2-
MPX1-
100
R131
+8V V_CLAMP_MPX+
-8V V_CLAMP_MPX-
1000
R125
1000
R129
5.6V
CR5
5.6V
CR6
3.3μH
L4
39.2K
R116
39.2K
R141