10
FN4321.5
January 22, 2010
FIGURE 7. SFDR vs AMPLITUDE, fCLK/fOUT = 5
FIGURE 8. SFDR vs AMPLITUDE OF TWO TONES, fCLK/fOUT = 7
FIGURE 9. SFDR vs IOUT, CLOCK = 100MSPS
FIGURE 10. DIFFERENTIAL vs SINGLE-ENDED,
CLOCK = 100MSPS
FIGURE 11. SFDR vs TEMPERATURE, CLOCK = 100MSPS
FIGURE 12. SINGLE TONE SFDR
Typical Performance Curves, 5V Power Supply (Continued)
80
75
70
65
SFDR
(
d
Bc)
60
55
50
45
40
-25
-20
-15
-10
-5
0
AMPLITUDE (dBFS)
125MSPS
100MSPS
50MSPS
25MSPS
75
70
65
60
55
50
45
40
SFDR
(dBc)
-25
-20
-15
-10
-5
0
AMPLITUDE (TOTAL PEAK POWER OF COMBINED TONES) (dBFS)
125MSPS
(16.9/18.1MHz)
100MSPS
(13.5/14.5MHz)
50MSPS
(6.75/7.25MHz)
25MSPS
(3.38/3.63MHz)
75
70
65
60
55
50
45
40
S
F
DR
(dBc)
2
4
6
8
10
12
14
16
18
20
IOUT (mA)
2.5MHz
10MHz
20MHz
40MHz
75
70
65
60
55
50
45
0
5
10
15
20
25
30
35
40
OUTPUT FREQUENCY (MHz)
SFDR
(dBc)
-6dBFS DIFF
0dBFS DIFF
-6dBFS SINGLE
0dBFS SINGLE
80
75
70
65
60
55
50
45
40
-40
-20
0
2040
6080
TEMPERATURE (°C)
S
F
DR
(dBc)
40.4MHz
10.1MHz
2.5MHz
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
5MHz/DIV.
50
Amp
(d
B)
Frequency (MHz)
SFDR = 64dBc
= 100MSPS
Fout = 9.95MHz
Amplitude = 0dBFS
14dB External Analyzer Attenuation
fCLK = 100MSPS
fOUT =9.95MHz
AMPLITUDE = 0dBFS
SFDR = 64dBc
14dB EXTERNAL ANALYZER ATTENUATION
5MHz/DIV.
FREQUENCY (MHz)
AMP
(dB)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
50
HI5728