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AD9042
REV. A
–15–
2
9
8
7
6
3
4
5
12
13
14
15
16
17
18
19
U3
74ACT574
8D
7D
5D
1D
CK
4D
6D
3D
2D
5Q
6Q
7Q
8Q
2Q
3Q
4Q
1Q
OE
B06
B07
B08
B09
B10
B11
GND
GND
11
1
BUFLAT
2
9
8
7
6
3
4
5
12
13
14
15
16
17
18
19
U4
74ACT574
8D
7D
5D
1D
CK
4D
6D
3D
2D
5Q
6Q
7Q
8Q
2Q
3Q
4Q
1Q
OE
B00
B01
B02
B03
B04
B05
GND
GND
11
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
+5V
B11
B10
B09
B08
B07
B06
B05
B04
B03
B02
B01
B00
GND
GND
GND
GND
GND
H40DM
J3
NC = NO CONNECT
GND
GND
G
+5V
+5V
+5VA
+
G
3
2
1
4
6
TT1
R15
U1
K1115
14
7
8
V
CC
V
EE
0.C14
+5VA
1
2
3
U5
74AS00
5
6
U5
74AS00
4
BUFLAT
BNC
J1
J2
R1
R14
+5VA
GND
+5VA
GND
GND1
C3
0.1μF
C2
0.1μF
OUT
1 : 1
C1
0.01μF
G
+
+
G
G
+
+
G
GND
G
34
G
35
+
+
G
38
G
39
+
40
+
41
+5V
C6
10μF
+
C7
0.1μF
C11
0.1μF
C12
0.1μF
C13
0.1μF
C15
0.1μF
C16
0.1μF
+5VA
C4
10μF
+
C8
0.1μF
C9
0.1μF
C17
0.1μF
3
4
5
6
7
1
2
10
11
8
9
42
43
44
D
36
37
29
30
31
32
33
27
28
25
26
23
24
12 13
14 15
16 17
18
19 20
21 22
D8
D7
A
C
D6
A
C
D5
A
C
D4
A
C
D3
A
C
D2
U2
AD9042
DV
CC
DV
CC
ENCODE
ENCODE
GND
GND
AIN
V
OFFSET
V
REF
C1
AV
CC
D1
D0
GND
NC
G
G
G
G
D
D
D
C
D
C
D
C
D
C
G
G
G
G
G
G
R2
499
R3
499
R4
499
R7
499
R6
499
R5
499
R13
499
R12
499
R11
499
R10
499
R9
499
R8
499
C18
0.01μF
Figure 38. AD9042ST/PCB Schematic
T able II. AD9042ST /PCB Bill of Material
Item
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Quantity
2
10
2
1
2
1
12
1
1
1
1
1
2
1
1
Reference
+5VA, GND
C2–C3, C7–C9, C11–C17
C4, C6
J3
J1, J2
R1
R2–R13
R14
R15
T 1
U1
U2
U3, U4
U5
C1, C18
Description
Banana Jack
Ceramic Chip Capacitor 0805, 0.1
μ
F
T antalum Chip Capacitor 10
μ
F
40-Pin Double Row Male Header
BNC Coaxial PCB Connector
Surface Mount Resistor 1206, 60.4 ohms
Surface Mount Resistor 1206, 499 ohms
Surface Mount Resistor 1206, 49.9 ohms
Surface Mount Resistor 1206, 100 ohms
Surface Mount T ransformer Mini-Circuits T 1–1T
40.96 MHz Clock Oscillator
AD9042AST 12-Bit–41 MSPS ADC Converter
74ACT 574 Octal Latch
74AS00 Quad T wo Input NAND Gate
Ceramic Chip Capacitor 0805, 0.01
μ
F AVX 05085C103MA15