1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A A
B B
C C
D D
VOLTAGE REFERENCE
SAMPLE/HOLD
GAIN
INSTALL FOR
CURRENT OUTPUT
3.750V
0500067S B
MODEL 7405 STD 8-CHANNEL DAC
SENSORAY COMPANY, INCORPORATED
B
2 2Tuesday, January 21, 1997
Title
Size Document Number Rev
Date: Sheet of
VR0 VI0
VR1 VI1 VI0 VI1 VI2
V0 V1 V2
VR2 VI2
VRJUNCT VR3 VI3
VR4 VI4
VR5 VI5
VR6 VI6
VR7 VI7
CH7 VI7
CH6 VI6
CH5 VI5 PH0
CH4 VI4 PH1 PH2
CH3 VI3 PL0 PL1 PL2
CH2 VI2
CH7
CH6 CH1 VI1
A3 CH5
A2 CH4 CH0 VI0
A1 CH3
CH2
CH1 VI3 VI4 VI5
CH0 V3 V4 V5
PH3 PH4 PH5
PL3 PL4 PL5
PH0 V0
PL0
PH1 V1
PL1
VI6 VI7 PH2 V2
V6 V7 PL2
PH3 V3
PL3
PH4 V4
PL4
D0 PH5 V5
D1 PL5
D2 PH6 V6
D3 PL6
D4 PH7 V7
D5 PL7
D6
D7
D8
D9
D10
D11
PH6 PH7
PL6 PL7
A[1..3]
D[0..11]
-12V
VREF
+12V
+12V
+12V
VREF
VREF
VREF VREF
VREF
VREF VREF
VREF
+12V
+12V
+12V +12V
+12V
+12V
+12V
+12V
VREF*
VREF*
VREF* VREF*
VREF*
VREF* VREF*
VREF*
+12V
VREF
VREF*
VREF
VREF*
+12V
VREF
VREF*
+12V
-12V
+12V
-12V
+12V
-12V
+12V
-12V
+12V
-12V
+12V
-12V
+12V
-12V
+12V
-12V
+12V
-12V
-12V
-12V
-12V
U12
SMP-08
13
14
15
12
1
5
2
4
3
11
10
9
6
16
78
X0
X1
X2
X3
X4
X5
X6
X7
X
A
B
C
E
VDD
VEE GND
C44
0.1uF
R29
R61
R30
R62
R31
R63
R32
R67
3.40K,0.1%
R68
10.2K,0.1%
R75
R74
R76
R73
R71
R72
R69
R70
10.0K,0.1%
R64
R78
10.0K,1%
R79
10.0K,1%
R65
10.0K,1%
GAIN
500-POT
Q1
MPS6601
R21
6.81K,0.1%
P1
1 2
3 4
5 6
7 8
9 10
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
37 38
39 40
R13
19.6K,0.1%
C22
0.01uF
Q6
MPS6601
R34 20.0,0.1%
C38
0.01uF
R38
1.00K,0.1%
R54
6.81K,0.1%
C30
0.01uF
R46
19.6K,0.1%
R50 3.83K,0.1%
C4
0.01uF
Q4
MPS6601
R4 20.0,0.1%
C20
0.01uF
R8
1.00K,0.1%
R24
6.81K,0.1%
C12
0.01uF
R16
19.6K,0.1%
R20 3.83K,0.1%
C21
0.01uF
Q5
MPS6601
R33 20.0,0.1%
C37
0.01uF
R37
1.00K,0.1%
R53
6.81K,0.1%
C29
0.01uF
R45
19.6K,0.1%
R49 3.83K,0.1%
C3
0.01uF
Q3
MPS6601
R3 20.0,0.1%
C19
0.01uF
R7
1.00K,0.1%
R23
6.81K,0.1%
C11
0.01uF
R15
19.6K,0.1%
R19 3.83K,0.1%
C24
0.01uF
Q8
MPS6601
R36 20.0,0.1%
C40
0.01uF
R40
1.00K,0.1%
R56
6.81K,0.1%
C32
0.01uF
R48
19.6K,0.1%
R52 3.83K,0.1%
C2
0.01uF
Q2
MPS6601
R2 20.0,0.1%
C18
0.01uF
R6
1.00K,0.1%
R22
6.81K,0.1%
C10
0.01uF
R14
19.6K,0.1%
R18 3.83K,0.1%
C23
0.01uF
Q7
MPS6601
R35 20.0,0.1%
C39
0.01uF
R39
1.00K,0.1%
R55
6.81K,0.1%
C31
0.01uF
R47
19.6K,0.1%
R51 3.83K,0.1%
Q10
MPS6601
C46
0.1uF
R80 3.3K
U14
LM336
C9
0.01uF
R17
3.83K,0.1%
R5
1.00K,0.1% C1
0.01uF
C17
0.01uF
R1
20.0,0.1%
CH0
10K-POT
B0
CH1
10K-POT
B1
CH2
10K-POT
B2
B5
CH5
10K-POT
B4
CH4
10K-POT
CH3
10K-POT
B3
CH6
10K-POT
B6
CH7
10K-POT
B7
A0
A1
A2
A3
A4
A5
A6
A7
R66
10.0K,1%
C45
0.1uF
R25
1M
R58
1M
R28
1M R60
1M
R27
1M
R57
1M R26
1M
R59
1M
R9
100 R41
100 R10
100
R42
100 R11
100 R43
100
R12
100 R44
100
+
-
U11B
MC34082
5
67
+
-
U1A MC34082
3
21
+
-
U1B
MC34082
5
67
+
-
U5A MC34082
3
21
+
-
U5B
MC34082
5
67
+
-
U2B
MC34082
5
67
+
-
U2A MC34082
3
21
+
-
U7A MC34082
3
21
+
-
U7B
MC34082
5
67
+
-
U3A MC34082
3
21
+
-
U3B
MC34082
5
67
+
-
U6A MC34082
3
21
+
-
U6B
MC34082
5
67
+
-
U4A MC34082
3
21
+
-
U4B
MC34082
5
67
+
-
U8A MC34082
3
21
+
-
U9A
MC34082
3
21
+
-
U9B
MC34082
5
67
+
-
U11A
MC34082
3
21
+
-
U8B
MC34082
5
67
U18
AD7845
14
13
11
10
9
8
7
6
5
4
3
2
16
15
12
24
23
22
21
20
19
17
1
18
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
CS
WR
DGND
RFB
RC
RB
RA
VDD
VSS
VREF
VOUT
AGND
Q9
2N4403
D[0..11]
A[1..3]
SAMPLE*
+12V
-12V
AGND
DGND