AudioArts Engineering D-75 - Schematic

600 Industrial Drive
New Bern, NC 28562
GND
14
16
15
5
4
3
2
1
17
6
18
19
26
27
WWP
DB
WWP
ADC-75 A to D Converter Schematic - Sheet 1 of 1
W# 700802
ADC-75
3-30-10
ADC-75B PCB
16S100x
1 OF 1
B
page 11 - 7
D-75 / Mar 2010
B
C
A
D
B
C
A
D
APPROVALS
D
DWG. NO.FSCM NO.ISSUED
CHECKED
DRAWN
SHEETSCALE
CONTRACT NO.
REVSIZE
DATE
- SA UR US - Sergey Averin -
546 37 28 1
546 37 28 1
CT1
1
6
18
7
19
8
20
9
21
10
22
2
11
23
12
24
13
25
3
4
5
14
15
16
17
DB1
DB2
DB3
DB4
DB5
DB6
DB8
DB11
DB14
DB15
DB16
DB17
DB18
DB19
DB22
DB25
DB13
GND
VCC
DB10
DB12
DB23
DB24
7
2
20
25
6
8
21
5
9
22
4
23
3
24
19
14
18
17
16
15
1
13
10
11
12
12
34
56
78
910
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
CT2
DB1
DB2
DB3
DB4
DB5
DB6
DB14
DB15
DB16
DB17
DB18
DB19
MDL_ID[0] MDL_ID[1]
D1 1N4002
AGND
GND
D41N4002
DB10
DB12
DB23
DB24
22
19
AGND
V+
V-
4
8
1
2
3
U2
OP275
33pFC10
4.99KR6
4.99K
R7
33pF
C4
AGND
10.0KR1
10.0KR2
0.001uF
C3
AGND
0.001uF
C2
AGND
AGND
33pFC25
4.99KR21
4.99K
R19
33pF
C26
AGND
10.0KR22
10.0KR23
0.001uF
C34
AGND
0.001uF
C33
AGND
5
6
7
U2
OP275
C4722uF
22uF C22
-2dBu
-2dBu
AGND
V+
V-
3
2
1
8
4
U3
OP275
33pFC12
4.99KR8
4.99K
R9
33pF
C7
AGND
10.0KR3
10.0KR4
0.001uF
C6
AGND
0.001uF
C5
AGND
AGND
33pFC27
4.99KR24
4.99K
R20
33pF
C28
AGND
10.0KR25
10.0KR26
0.001uF
C37
AGND
0.001uF
C36
AGND
7
6
5
U3
OP275
C5522uF
22uF C32
-2dBu
-2dBu
V+
V-
4.99KR30
4.99KR31
4.99KR28
4.99KR29
VA+
AGND
AGND
.1uF
C15
.1uF
C41
-14dBu
-14dBu
10uF
C40
V+
V-
V+
V-
AGND
AGND
10uF
C14
AGND
AGNDAGND AGND
0.1uF
C16
AGND
AGND
0.1uF
C42
4.99K
R16
220pF C45
220pF C44
220pF C8
220pF C18
220 R40
51 R36
2.32K R38
2.32K R39
51 R12
51 R37
51 R14
2.32K R5
2.32K R13
220 R15
-14dBu
-14dBu
0.1uF
C43
AGND AGND
1.00K
R35
1.00K
R42
AGND
0.1uF
C49
AGND AGND
0.1uF
C21
AGND
0.1uF
C53
0.1uF
C17
AGND
C29
150uF
V+
VCC
68R17
C30
150uF
C31
150uF
2.5V
2.5V
2.5V
2.5V
U4
28
27 26
25
24
23
22 21
20
19
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
18
AK5383
RST
FSYNC
MCLK
SCLK
LRCK
GNDR
AINR-
____
AINR+
ZCAL
AINL-
AINL+
GNDL
SMODE2
SMODE1
DFS
TEST
HPFE
VCOMR
VREFR
VCOML
VREFL
CAL
SDATA
VDDGND
VAAGND
BGND
U7
8
4
6
5
7
OP275
U1
8
4
6
5
7
OP275
U7
2
3
1
OP275
U1
2
3
1
OP275
0.001uF
C38
0.001uF
C19
D6
BAT54
D5
BAT54
AGND
D3
BAT54
D2
BAT54
AGND
15 R33
15 R34
15 R10
15 R11
D5
BAT54
D6
BAT54
D3
BAT54
D2
BAT54
VA+
VA+
2.5V
VA+
VA+
3
2
1
CR2 10K
3
2
1
CR1 10K
VCC
VCCVCC
22uFC56
22uFC1
AGND
40.2K
R32
AGND
40.2K
R41
U6
612
14
11
13
74VHC4053
S
INH
X-Y
Y
X
AGND
U6
5
9
43
6
74VHC4053
S
INH
X-Y
Y
X
6
34
9
5
U5
74VHC4053
S
INH
X-Y
Y
X
13
11
14
126
U5
74VHC4053
S
INH
X-Y
Y
X
6
115
10
2
8
U5
74VHC4053
S
INH
X-Y
GND
Y
X
AGND
U6
8
2
10
15 1
6
74VHC4053
S
INH
X-Y
GND
Y
X
V+
V-
AGND
100uF
C54
22uF
C39
0.1uF
C46
0.1uF
C20
0.1uF
C9
0.1uF
C48
0.1uF
C11
0.1uF
C23
0.1uF
C13
0.1uF
C24
Z2
C5V1
5.1V
Z1
C5V1
5.1V
VDD
VEE
2.32KR18
2.32KR27
0.1uF
C35
0.1uF
C50
0.1uF
C51
0.1uF
C52
TP1TP2
6.2V
Q1
2
1
3
NCP1117
GND
IN OUT
DBS_S
DB_VCCDB_VCC
AGND
AGND
AGND
AGND
AGND
GND
DB_VCC
A_IN_RT_HI
A_IN_RT_LO
GND
VCC
A_IN_RT_HI
A_IN_LT_LO
A_IN_RT_LO
A_IN_LT_HI
MCLK_I
AGND
LR_I
AGND
DBS_S
GND
DB_VCC
GND
VCC
GND
V-
V+
AGND
PHANT
SDATA_I
SCLK_I
B_IN_RT_HI
B_IN_LT_LO
B_IN_RT_LO
B_IN_LT_HI
A_IN_LT_HI
A_IN_LT_LO
V+
V-
B_IN_RT_HI
B_IN_RT_LO
B_IN_LT_HI
B_IN_LT_LO
MCLK_I
VREFR1
VREFL1
VCOMR1
VCOML1
SDATA_I
SCLK_I
LR_I
GND
DB-25
CONNECTOR
LINE
RT TRIM
LINE
LT TRIM
LINE "B"
LINE "A"
-V
+V
+5V
DIG.COM.
36 PIN
EDGE
CONNECTOR
READY
COUGH
TB SWITCH
A/B LOGIC FOLLOW
DIGITAL COMMON
+5V
START
STOP
ON TALLY
MACHINE COMMON
REMOTE OFF
REMOTE ON
- 1,0
- H,H
- L,H
- H,L
- L,L (*)
MDL ID BIT
NO PCB
SRC
SLADC
MMADC
STOP
START
"B" TALLY
READY
COUGH
START/STOP COM.
LINE "A" LT IN LO
LINE "A" RT IN HI
LINE "A" RT IN SH
LINE "B" LT IN LO
LINE "B" RT IN SH
LINE "B" RT IN HI
AUDIO COMMON
+5V DIGITAL
LINE "A" LT IN HI
LINE "A" LT IN SH
LINE "A" RT IN LO
LINE "B" LT IN SH
LINE "B" LT IN HI
LINE "B" RT IN LO
DIGITAL GND
TB TO CR
REMOTE OFF
"ON" TALLY
REMOTE ON
ADC-75 INPUT
DB Connector Pinouts
I/O PORTS
EDGE CONNECTOR BUSS CHART
LT
RT
LT
RT
HI
LO
LO
HI
HI
LO
LO
HI
+4dBu BAL
+4dBu BAL
+4dBu BAL
+4dBu BAL
LINE "A"/
LINE "B"
SELECT