
10
FIGURE 24. SFDR vs fOUT, CLOCK = 125MSPS
FIGURE 25. SFDR vs AMPLITUDE, fCLK/fOUT = 10
FIGURE 26. SFDR vs AMPLITUDE, fCLK/fOUT = 5
FIGURE 27. SFDR vs AMPLITUDE OF TWO TONES, fCLK/fOUT = 7
FIGURE 28. SFDR vs IOUT, CLOCK = 100MSPS
FIGURE 29. DIFFERENTIAL vs SINGLE-ENDED,
CLOCK = 100MSPS
Typical Performance Curves, 3V Power Supply (Continued)
45
50
55
60
65
70
75
80
0
5
10
15
20
25
30
35
40
45
50
SFDR
(dBc)
OUTPUT FREQUENCY (MHz)
0dBFS
-6dBFS
-12dBFS
45
50
55
60
65
70
75
80
-25
-20
-15
-10
-5
0
SFD
R
(
d
B
c
)
AMPLITUDE (dBFS)
125MSPS
100MSPS
50MSPS
25MSPS
40
45
50
55
60
65
70
75
80
-25
-20
-15
-10
-5
0
SFDR
(dBc)
AMPLITUDE (dBFS)
25MSPS
50MSPS
100MSPS
125MSPS
5MSPS
25
AN
D
50
MS
PS
40
45
50
55
60
65
70
75
-25
-20
-15
-10
-5
0
S
F
DR
(dBc)
AMPLITUDE (dBFS)
25MSPS
(3.38/3.63MHz)
100MSPS
(13.5/14.5MHz)
50MSPS
(6.75/7.25MHz)
125MSPS
(16.9/18.1MHz)
45
50
55
60
65
70
75
80
2
4
6
8
10
12
14
16
18
20
SFDR
(dBc)
IOUT (MA)
40MHz
20MHz
10MHz
2.5MHz
45
50
55
60
65
70
75
80
0
5
10
15
20
25
30
35
40
SFDR
(dB
c
)
OUTPUT FREQUENCY (MHz)
-6dBFS SINGLE
0dBFS SINGLE
-6dBFS DIFF
0dBFS DIFF
HI5760