Analog Devices AD9833 Manual page 17

1
2
SCLK
3
SDATA
4
FSYNC
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
Integrated Circuits
U1 AD9833BRU
U2 74HCT244
U3 OSC XTAL 25 MHz
Capacitors
C1, C2 100 nF Ceramic Capacitor 0805
C3 10 nF Ceramic Capacitor
C4 Option for Extra Decoupling Capacitor
C5, C6, C7, C9 100 nF Ceramic Capacitor
C8, C10, C11 10 mF Tantalum Capacitor
Resistor
R1 50 W Resistor
Links
LK1, LK2 2-Pin Sil Header
Sockets
MCLK VOUT Subminiature BNC Connector
Connectors
J1 36-Pin Edge Connector
J2, J3 PCB Mounting Terminal Block
REV. A
DVDD
C6
0.1F
DVDD
C6
0.1F
J1
1
2 18
SCLK
4
16
SDATA
6
14
FSYNC
U2
MCLK
LK2
R1
DVDD
50
DVDD
C5
0.1F
U3
OUT
DGND
Figure 14. Evaluation Board Layout
C11
10F
VDD
C2
0.1F
LK1
C1
0.1F
3 10F
2
CAP VDD
7
SCLK
VDD
6
SDATA
1
8
COMP
FSYNC
U1
AD9833
5
10
MCLK VOUT
C4
DGND AGND
4 9
–17–
AD9833
J2 J3
DVDD VDD
C8 C7 C9
0.1F 0.1F
C3
0.01F
VOUT
C10
10F