AD9850 Analog Devices, AD9850 Datasheet - Page 7

• Manufacturer Part Number: AD9850
• Description: CMOS/ 125 MHz Complete DDS Synthesizer
• Manufacturer: Analog Devices

REV. E
1
68
66
64
62
60
58
56
54
52
90
80
70
60
50
40
30
Figure 7. Comparator Output Rise Time
(5 V Supply/15 pF Load)
Figure 8. SFDR vs. CLKIN Frequency
(A
Figure 9. Supply Current vs. A
(CLKIN = 125/110 MHz for 5 V/3.3 V Plot)
Ch1 1.00V
Tek Run: 50.0GS/s ET Average
0
0
OUT
= 1/3 of CLKIN)
20
10
40
FREQUENCY OUT – MHz
V
V
V
60
CLKIN – MHz
CC
CC
CC
= 3.3V
= 5V
= 3.3V
20
80
f
M 1.00ns Ch 1
OUT
V
CC
100
= 1/3 OF CLKIN
OUT
= 5V
30
Ch 1 Rise
2.870ns
Frequency
120
1.74V
140
40
–7–
Figure 12. SFDR vs. DAC I
Figure 11. Supply Current vs. CLKIN Frequency
(A
1
OUT
90
80
70
60
50
40
30
20
10
75
70
65
60
55
50
45
Figure 10. Comparator Output Fall Time
(5 V Supply/15 pF Load)
Ch1 1.00V
Tek Run: 50.0GS/s ET Average
0
= 1/3 of CLKIN)
5
20
40
CLOCK FREQUENCY – MHz
10
V
f
CC
f
DAC I
f
60
OUT
OUT
OUT
= 5V
V
OUT
= 20MHz
CC
= 40MHz
= 1MHz
OUT
= 3.3V
80
(A
– mA
15
M 1.00ns Ch 1
OUT
100
= 1/3 of CLKIN)
Ch 1 Fall
3.202ns
AD9850
120
20
1.74V
140