Datasheet

AD9763/AD9765/AD9767 Data Sheet
Rev. G | Page 14 of 44
AD9765
AVDD = 3.3 V or 5 V, DVDD = 3.3 V or 5 V, I
OUTFS
= 20 mA, 50 Ω doubly terminated load, differential output, T
A
= 25°C, SFDR up to
Nyquist, unless otherwise noted.
90
50
60
70
80
110
SFDR (dBc)
f
OUT
(MHz)
100
0
0617-023
f
CLK
= 125MSPS
f
CLK
= 65MSPS
f
CLK
= 25MSPS
f
CLK
= 5MSPS
Figure 23. SFDR vs. f
OUT
@ 0 dBFS
95
75
80
85
90
1.00 2.252.001.751.501.25
SFDR (dBc)
f
OUT
(MHz)
0dBFS
–6dBFS
–12dBFS
0
0617-024
Figure 24. SFDR vs. f
OUT
@ 5 MSPS
90
85
80
75
70
65
60
01108642
SFDR (dBc)
f
OUT
(MHz)
2
0dBFS
–6dBFS
–12dBFS
0
0617-025
Figure 25. SFDR vs. f
OUT
@ 25 MSPS
85
80
75
70
65
55
60
50
0330252015105
SFDR (dBc)
f
OUT
(MHz)
5
0dBFS
–6dBFS
–12dBFS
0
0617-026
Figure 26. SFDR vs. f
OUT
@ 65 MSPS
85
80
75
70
65
55
60
50
07605040302010
SFDR (dBc)
f
OUT
(MHz)
0
0dBFS
–6dBFS
–12dBFS
0
0617-027
Figure 27. SFDR vs. f
OUT
@ 125 MSPS
85
80
75
70
65
55
60
50
03252015105
SFDR (dBc)
f
OUT
(MHz)
0
I
OUTFS
= 10mA
I
OUTFS
= 20mA
I
OUTFS
= 5mA
0
0617-028
Figure 28. SFDR vs. f
OUT
and I
OUTFS
@ 65 MSPS and 0 dBFS