Data Sheet
AD9763/AD9765/AD9767
Rev. G | Page 17 of 44
AD9767
AVDD = 3.3 V or 5 V, DVDD = 3.3 V or 5 V, IOUTFS = 20 mA, 50 Ω doubly terminated load, differential output, TA = 25°C, SFDR up to
Nyquist, unless otherwise noted.
90
50
60
70
80
110
SF
D
R
(
d
B
c)
fOUT (MHz)
100
0
06
17
-0
40
fCLK = 125MSPS
fCLK = 65MSPS
fCLK = 25MSPS
fCLK = 5MSPS
Figure 40. SFDR vs. fOUT @ 0 dBFS
90
75
80
85
02
2.0
1.5
1.0
0.5
SF
D
R
(d
B
c)
fOUT (MHz)
.5
0dBFS
–6dBFS
–12dBFS
0
06
17
-0
41
Figure 41. SFDR vs. fOUT @ 5 MSPS
90
85
80
75
70
65
60
01
10
8
6
4
2
SF
D
R
(d
B
c)
fOUT (MHz)
2
0dBFS
–6dBFS
–12dBFS
0
06
17
-0
42
Figure 42. SFDR vs. fOUT @ 25 MSPS
85
80
75
70
65
55
60
50
03
30
25
20
15
10
5
S
F
DR
(
d
B
c)
fOUT (MHz)
5
0dBFS
–6dBFS
–12dBFS
0
06
17
-0
43
Figure 43. SFDR vs. fOUT @ 65 MSPS
85
80
75
70
65
55
60
50
07
60
50
40
30
20
10
SF
D
R
(d
B
c)
fOUT (MHz)
0
0dBFS
–6dBFS
–12dBFS
0
06
17
-0
44
Figure 44. SFDR vs. fOUT @ 125 MSPS
90
85
80
75
70
65
55
60
50
03
30
25
20
15
10
5
SF
D
R
(d
B
c)
fOUT (MHz)
5
IOUTFS = 10mA
IOUTFS = 5mA
IOUTFS = 20mA
0
06
17
-0
45
Figure 45. SFDR vs. fOUT and IOUTFS @ 65 MSPS and 0 dBFS