®
+5V
C12
0.1MF
1
P3
ANALOG
INPUT
+5V
SG2
C10
0.1MF
2
74HCT373
20
1Q
2Q
3Q
4Q
U2
5Q
6Q
7Q
8Q
ENBL
LTCH
10
P1
+5V
C11
0.1MF
2
74HCT373
3
1D
29
28
27
26
B13
B14
DGND
DIR
DGND
FS1
20
2
FS2
B15
B16
25
24
23
22
21
J13
J15
J14
4
2D
7
3D
8
4D
13
5D
14
6D
17
7D
18
8D
11
LTCH
ENBL
10
8Q
1
TRIG
2
J16
J17
1
J18
7Q
19
B16
4 (LSB)
3
6Q
16
B15
6
5
U3
5Q
15
B14
8
7
4Q
12
B13
10
9
3Q
9
B12
12
B12
11
2Q
6
B11
14
13
1Q
5
B10
16
15
20
2
B9
18
17
1
P1
15
16
19
1
12
9
6
B3
30
B4
28
B5
26
B6
24
B7
22
B8
20
19
21
23
25
27
29
5
B2
32
31
2
B1
34 (MSB)
33
3
1D
2D
3D
4D
5D
6D
7D
8D
4
7
8
1
REF
ADS-930
13
2
B.P.
B1
14
3
ANAIN
B2
17
4
AGND
18
3
11
2
GAIN
B5
B6
B7
B8
B9
AGND
B10
B11
30
31
32
33
34
+15V
COMPB
ENB
READ
U1
AGND
-15V
AGND
O.F.
EOC
+5V
TRIG
C8
1
J4
33PF
J6
9
10
11
12
13
14
15
-15V
+5V
17
5
U5
4
74HCT86
+15V
7
3
U5
1
14
74HCT86
C4
2.2MF
19
18
C2
L1
16
2MH
J9
P1-9
J12
P1-7
+5V
-15V
+5V
J11
J5
J7
J8
J10
P1-11
-15V
8
7
0.22MF
+15V
6
35
R4
15K
C13
R2
20K
GAIN
5
OFFSET
B4
36
B3
37
2
1
PULSE
WIDTH
R3
20K
+15V
3
38
39
B1
40
1
1
2
+15V
R1
20K
C7
.22MF
C14
0.1MF
2
10
C15
2.2MF
1
3
ENBL
(SEE NOTE 1)
2
74HCT373
20
3
1D
1Q
4
2D
2Q
7
3D
3Q
8
4D
4Q
13
5D
5Q
U4
14
6D
6Q
17
7D
7Q
18
8D
8Q
11
LTCH
2
5
6
9
12
15
16
19
1
B1
O.F.
EOC
®
OFFSET
-15V
J3
+5V
J2
J1
11
U5
12
13
74HCT86
+5V
P4
16
TRIGGER
1
2
8
7
6
5
4
3
2
U6
74HCT
123
9
10
11
12
13
14
15
1
SG1
P2
2
1
4
2.2MF
3
C5
C6
2 +
+
7
6
C9
SG3
1
0.1MF
2
+5V
NOTES:
1. C14 & C15 SHOULD BE 16V OR GREATER.
2. SG1-SG3 ARE INITIALLY OPEN.
10
+5V
U5
9
74HCT86
8
ENABLE
COMPB
ENB
READ
DIR
FS1
FS2
6
5
0.1MF 1
U1-8
U1-9
U1-10
8
7
10
9
12
11
C1
2
14
13
+
0.1MF 1
2.2MF
16
15
18
17
20
19
C3
2 +
22
21
.1MF
1
24
23
26
25
ADS-930
Figure 5. ADS-930 Evaluation Board Schematic.
MURATA-PS [ MURATA POWER SOLUTIONS INC. ]
