HI5728INZ Просмотр технического описания (PDF) - Intersil
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HI5728INZ Datasheet PDF : 17 Pages
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HI5728
Typical Performance Curves, 3V Power Supply (Continued)
80
0dBFS
75
70
65
60
-12dBFS
55
-6dBFS
50
45
0 5 10 15 20 25 30 35 40 45 50
OUTPUT FREQUENCY (MHz)
FIGURE 24. SFDR vs fOUT, CLOCK = 125MSPS
80
75
70
65
60
55
50
45
-25
25MSPS
50MSPS
100MSPS
125MSPS
-20
-15
-10
-5
0
AMPLITUDE (dBFS)
FIGURE 25. SFDR vs AMPLITUDE, fCLK/fOUT = 10
80
25MSPS
75
70
65
60 5MSPS
55
50
25 AND 50MSPS
50MSPS
100MSPS
125MSPS
45
40
-25
-20
-15
-10
-5
0
AMPLITUDE (dBFS)
FIGURE 26. SFDR vs AMPLITUDE, fCLK/fOUT = 5
75
70
25MSPS
65 (3.38/3.63MHz)
60
50MSPS
55
(6.75 / 7.25MHz)
100MSPS
50
(13.5 / 14.5MHz)
45
125MSPS
(16.9 / 18.1MHz)
40
-25
-20
-15
-10
-5
0
AMPLITUDE (dBFS)
FIGURE 27. SFDR vs AMPLITUDE OF TWO TONES, fCLK/fOUT = 7
80
2.5MHz
75
70
65
10MHz
60
20MHz
55
50
40MHz
45
2
4
6
8 10 12 14 16 18 20
IOUT (mA)
FIGURE 28. SFDR vs IOUT, CLOCK = 100MSPS
13
80
75
0dBFS DIFF
70
65
60 -6dBFS SINGLE
-6dBFS DIFF
55
50
0dBFS SINGLE
45
0
5
10 15 20 25 30 35 40
OUTPUT FREQUENCY (MHz)
FIGURE 29. DIFFERENTIAL vs SINGLE-ENDED,
CLOCK = 100MSPS
FN4321.5
January 22, 2010
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