AD9851BRS Analog Devices Inc, AD9851BRS Datasheet - Page 21

• Manufacturer Part Number: AD9851BRS
• Description: Direct Digital Synthesizer 180MHz 1-DAC 10-Bit Parallel/Serial 28-Pin SSOP
• Manufacturer: Analog Devices Inc

Specifications of AD9851BRS

• Resolution: 10 Bit
• Maximum Input Frequency: 180 MHz
• Tuning Word Width: 32 Bit
• Minimum Operating Supply Voltage: 2.7 V
• Typical Operating Supply Voltage: 5 V
• Maximum Operating Supply Voltage: 5.25 V
• Minimum Operating Temperature: -40 °C
• Maximum Operating Temperature: 85 °C
• Rohs Status: RoHS non-compliant
• Resolution (bits): 10 b
• Master Fclk: 180MHz
• Tuning Word Width (bits): 32 b
• Voltage - Supply: 2.7 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• For Use With: AD9951/PCBZ - BOARD EVALUATION FOR AD9851

REV. D
RESET
10mA
C36CPR2
J1
BNC
BNC
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
3.9k
FFQUD
WWCLK
CHECK
STROBE
RRSET
R1
J8
J9
BANANA
WCLK
CLKIN
FQUD
JACKS
GND
GND
RRESET
RRESET
WWCLK
D3
D2
D1
D0
FFQUD
+V
+V
10
11
12
13
14
1
2
3
4
5
6
7
8
9
9
8
7
6
5
4
3
2
J2
J3
J4
STROBE
74HCT574
D3
D2
D1
D0
PGND
PVCC
W CLK
FQ UD
REFCLOCK
AGND
AVDD
R
VOUTN
VOUTP
8D
7D
6D
5D
4D
3D
2D
1D
NC = NO CONNECT
SET
CK
9
8
7
6
5
4
3
2
U2
11
STROBE
+V
74HCT574
5V
GND
8D
7D
6D
5D
4D
3D
2D
1D
AD9851
CK
OE
U1
8Q
7Q
6Q
5Q
4Q
3Q
2Q
1Q
11
U3
1
OE
RESET
DACBL
12
13
14
15
16
17
18
19
IOUTB
DGND
AGND
8Q
7Q
6Q
5Q
4Q
3Q
2Q
1Q
DVDD
AVDD
IOUT
VINP
VINN
1
D0
D1
D2
D3
D4
D5
D6
D7
D4
D5
D6
D7
12
13
14
15
16
17
18
19
Figure 24. CGPCB Electrical Schematic
28
27
26
25
24
23
22
21
20
19
18
17
16
15
RESET
WCLK
FQUD
CHECK
+V
D4
D5
D6
D7
GND
RESET
GND
+V
+V
NC
C6
10F
5V
EVALUATION BOARD
CLOCK GENERATOR
5V
C1
470pF
RRESET
E6
C7
10F
AD9851/CGPCB
R12
(SSOP PACKAGE)
R9
2.2k
J7
–21–
E5
R4
100k
R5
100k
R8
100
BNC
E1
C2
0.1F
FFQUD
(OPTIONAL)
E2
REMOVE WHEN
R10
2.2k
XTAL
E4
R6
200
USING Y1
OSC
TO BYPASS ON BOARD FILTER
C3
0.1F
1. REMOVE E6 TO E5 JUMPER
2. INSTALL APPROPRIATE R12 FOR IOUT TERMINATION
WWCLK
E3
70MHz ELLIPTICAL LOW-PASS FILTER
CLKIN
J6
R11
2.2k
C11
22pF
Y1
GND
5V
V
470nH
CC
C12
1pF
C4
0.1F
L1
14
7
7TH ORDER 200 Z
STROBE
OUT
R2
50
+V
R3
2.2k
8
C13
33pF
C5
0.1F
390nH
5.6pF
C14
L2
J5
H1
#6
MOUNTING HOLES
C15
22pF
C8
0.1F
390nH
4.7pF
C16
L3
H2
#6
C9
0.1F
H3
#6
C17
22pF
H4
#6
AD9851
5V
R7
200
C10
0.1F