Datasheet

AD9850
–15–
REV. H
J6
R1
3.9k⍀
R5
25⍀
17
16
15
20
19
18
28
27
26
25
24
23
22
21
14
13
12
11
10
9
8
1
2
3
4
7
6
5
U1
AD9850
D3
D2
D1
DGND
DVDD
W
CLK
FQ
UD
CLKIN
AGND
AVDD
R
SET
QOUT
QOUTB
D0
D7
D6
D5
D4
RESET
DVDD
DGND
AGND
IOUTB
IOUT
AVDD
VINN
VINP
DACBL
D3
D2
D1
D0
GND
+V
D7
D6
D5
D4
+V
GND
RESET
GND
WCLK
CLKIN
GND
+V
FQUD
+V
10mA
R
SET
TP5
TP6
TP7
TP8
GND
GND
GND
GND
TP1
TP2
TP3
TP4
R4
50⍀
DAC OUT
TO 50⍀
COMPARATOR
INPUTS
R6
1k⍀
R7
1k⍀
GND
+V
COMPARATOR
OUTPUTS
14
VCC
+5V
R2
50⍀
J5
CLKIN
REMOVE
WHEN
USING Y1
8
OUT
XTAL
OSC
GND
Y1
7
RESET
WCLK
FQUD
CHECK
RRESET
WWCLK
FFQUD
RRESET
12
13
14
15
16
17
18
19
8Q
7Q
6Q
5Q
4Q
3Q
2Q
1Q
8D
7D
6D
5D
4D
3D
2D
1D
9
8
7
6
5
4
3
2
U3
74HCT574
CLK
OE
11 1
STROBE
C36CRPX
J1
D0
D1
D2
D3
D4
D5
D6
D7
12
13
14
15
16
17
18
19
8Q
7Q
6Q
5Q
4Q
3Q
2Q
1Q
8D
7D
6D
5D
4D
3D
2D
1D
9
8
7
6
5
4
3
2
U2
74HCT574
CLK
OE
11 1
STROBE
RRESET
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
FFQUD
WWCLK
STROBE
CHECK
P
O
R
T
1
+V
5V
C2
0.1␮F
C3
0.1␮F
C4
0.1␮F
C5
0.1␮F
C8
0.1␮F
C9
0.1␮F
C10
0.1␮F
C6
10␮F
C7
10␮F
+V
5V
J2
J3
J4
BANANA
JACKS
+V
5V
GND
H1
No. 6
H2
No. 6
H3
No. 6
H4
No. 6
MOUNTING
HOLES
R10
2.2k⍀
5V
RRESET
R9
2.2k⍀
FFQUD
R8
2.2k⍀
WWCLK
R3
2.2k⍀
STROBE
Figure 15. AD9850/FSPCB Electrical Schematic
COMPONENT LIST
Integrated Circuits
U1 AD9850BRS (28-Lead SSOP)
U2, U3 74HCT574 H-CMOS Octal Flip-Flop
Capacitors
C2 to C5, C8 to C10 0.1 µF Ceramic Chip Capacitor
C6, C7 10 µF Tantalum Chip Capacitor
Resistors
R1 3.9 kΩ Resistor
R2, R4 50 Ω Resistor
R3, R8, R9, R10 2.2 kΩ Resistor
R5 25 Ω Resistor
R6, R7 1 kΩ Resistor
Connectors
J1 36-Pin D Connector
J2, J3, J4 Banana Jack
J5, J6 BNC Connector