AD9851 Analog Devices, AD9851 Datasheet - Page 15

• Manufacturer Part Number: AD9851
• Description: CMOS 180 MHz DDS/DAC Synthesizer
• Manufacturer: Analog Devices

REV. C
C36CPRX
J1
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
CHECK
STROBE
RRSET
RRESET
RRESET
WWCLK
FFQUD
STROBE
+V
C6
10 F
R3
2.2k
9
8
7
6
5
4
3
2
9
8
7
6
5
4
3
2
STROBE
STROBE
+5V
8D
7D
6D
5D
4D
3D
2D
1D
8D
7D
6D
5D
4D
3D
2D
1D
74HCT574
74HCT574
WWCLK
CK
CK
C7
10 F
11
11
U2
U3
R8
2.2k
OE
OE
8Q
7Q
6Q
5Q
4Q
3Q
2Q
1Q
8Q
7Q
6Q
5Q
4Q
3Q
2Q
1Q
1
1
Figure 22. FSPCB Electrical Schematic
12
13
14
15
16
17
18
19
12
13
14
15
16
17
18
19
FFQUD
C2
0.1 F
RESET
10mA
D0
D1
D2
D3
D4
D5
D6
D7
RESET
WCLK
FQUD
CHECK
R9
2.2k
(OPTIONAL)
C3
0.1 F
RRESET
REMOVE WHEN
3.9k
R1
TP5
TP6
TP7
TP8
R10
2.2k
XTAL
OSC
USING Y1
WCLK
CLKIN
FQUD
–15–
GND
GND
C4
0.1 F
D3
D2
D1
D0
+V
+V
GND
GND
CLKIN
+5V
Y1
10
11
12
13
14
1
2
3
4
5
6
7
8
9
GND
EVALUATION BOARD
V
+5V
+V
D3
D2
D1
D0
PGND
PVCC
W CLK
FQ UD
REFCLOCK
AGND
AVDD
R
VOUTN
VOUTP
CC
NC = NO CONNECT
SET
14
7
AD9851/FSPCB
C5
0.1 F
SYNTHESIZER
FREQUENCY
OUT
AD9851
R2
50
U1
8
DACBP
RESET
IOUTB
MOUNTING HOLES
AGND
DGND
DVDD
AVDD
C8
0.1 F
H1
#6
IOUT
VINP
VINN
J5
D4
D5
D6
D7
H2
#6
28
27
26
25
24
23
22
21
20
19
18
17
16
15
D4
D5
D6
D7
GND
+V
RESET
GND
+V
NC
C9
0.1 F
H3
#6
GND
GND
+5V
H4
#6
10 F
1k
1k
R5
25
R5
R7
C10
0.1 F
BANANA
JACKS
R4
50
+V
GND
TP1
TP2
TP3
TP4
J2
J3
J4
J6
COMPARATOR
INPUTS
DAC OUT
TO 50
+V
+5V
GND
AD9851