AD9851BRSZ Datasheet, PDF (19/24 Pages) Analog Devices – CMOS 180 MHz DDS/DAC Synthesizer

AD9851
J1
C36CPRX
1
2
RRSET
3
4
5
6
7
8
9
10
11
12
13
14 _FFQUD
15
16
17
18
19
20
21
22
23
24
25
RRESET
26
WWCLK
27
FFQUD
28
RRESET
29
30
31 _WWCLK
32 _CHECK
33
34
35
36 _STROBE
U2
74HCT574
9
8 ^8D
7 ^7D
6 ^6D
5 ^5D
4 ^4D
3 ^3D
2 ^2D
1D
12
8Q ₁₃ D0
7Q ₁₄ D1
6Q ₁₅ D2
5Q ₁₆ D3
4Q ₁₇ D4
3Q ₁₈ D5
2Q ₁₉ D6
1Q D7
CK _OE
11 1
AD9851/FSPCB
FREQUENCY
SYNTHESIZER
EVALUATION BOARD
D3 1 D3
D4 28 D4
D2 2 D2
D1 3 D1
D0 4 D0
U1
AD9851
D5 27 D5
D6 26 D6
D7 25 D7
GND 5 PGND
DGND 24 GND
+V 6 PVCC
DVDD 23 +V
J2
BANANA ^J3
JACKS
J4
+V
+5V
GND
STROBE
WCLK 7 W CLK
RESET 22 RESET
FQUD 8 FQ UD
IOUT 21
CLKIN 9 REFCLOCK IOUTB 20
GND 10 AGND
AGND 19 GND
R5
25
R4
50
J6
DAC OUT
TO 50
U3
74HCT574
10mA
RESET
9 _8D
8 _7D
7 _6D
6 _5D
5 _4D
4 _3D
3 _2D
2 _1D
8Q ¹²
7Q ¹³
6Q ¹⁴
5Q ¹⁵
4Q ¹⁶
RESET
WCLK
FQUD
CHECK
3Q ¹⁷
2Q ¹⁸
1Q ¹⁹
CK _OE
R1
3.9k
TP5
TP6
TP7
TP8
+V 11 AVDD
AVDD 18 +V
12 R_SET
DACBP 17 NC
13 VOUTN
VINP 16
14 VOUTP
VINN 15
GND
NC = NO CONNECT
GND
J5
CLKIN
REMOVE WHEN
USING Y1
R2
50
5V
GND
GND
R5
1k
R7
1k
TP1
TP2 _COMPARATOR
TP3 ^INPUTS
TP4
+V
GND
11 1
14
STROBE
XTAL
OSC
(OPTIONAL)
V_CC
Y1
8
OUT
GND
7
+V
C6
10F
5V
C7
10F
C2
0.1F
C3
0.1F
+V
C4
0.1F
C5
0.1F
C8
0.1F
5V
C9
0.1F
C10
0.1F
R3
2.2k
R8
2.2k
R9
2.2k
5V
R10
2.2k
STROBE WWCLK FFQUD RRESET
MOUNTING HOLES
H1 H2 H3 H4
#6 #6 #6 #6
Figure 22. FSPCB Electrical Schematic
REV. D
–19–