HI5728IN Просмотр технического описания (PDF) - Intersil
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HI5728IN Datasheet PDF : 17 Pages
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HI5728
Typical Performance Curves, 3V Power Supply (Continued)
80
75
70
65
60
55
50
45
40
-40
-20
2.5MHz
10.1MHz
40.4MHz
0
20
40
60
80
TEMPERATURE (oC)
FIGURE 30. SFDR vs TEMPERATURE, CLOCK = 100MSPS
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
0
fCLK = 100MSPS
fOUT = 9.95MHz
AMPLITUDE = 0dBFS
SFDR = 63dBc
14dB EXTERNAL
ANALYZER ATTENUATION
5MHz/DIV.
50
FREQUENCY (MHz)
FIGURE 31. SINGLE TONE SFDR
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
0
fCLK = 100MSPS
fOUT = 13.5/14.5MHz
COMBINED PEAK
AMPLITUDE = 0dBFS
SFDR = 61.5dBc
14dB EXTERNAL
ANALYZER ATTENUATION
5MHz / DIV.
50
FREQUENCY (MHz)
FIGURE 32. TWO-TONE, CLOCK = 100MSPS
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.5
fCLK = 100MSPS
fOUT = 3.8, 4.4, 5.6, 6.2MHz
COMBINED PEAK
AMPLITUDE = 0dBFS
SFDR = 70.6dBc
(IN A WINDOW)
1.45MHz / DIV.
15
FREQUENCY (MHz)
FIGURE 33. FOUR-TONE, CLOCK = 100MSPS
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-100
-110
0.5
fCLK = 100MSPS
fOUT = 2.6, 3.2, 3.8, 4.4,
5.6, 6.2, 6.8MHz
COMBINED PEAK
AMPLITUDE = 0dBFS
SFDR = 67.4dBc
(IN A WINDOW)
1.95MHz / DIV.
20
FREQUENCY (MHz)
FIGURE 34. EIGHT-TONE, CLOCK = 100MSPS
14
-10
-20
-30
-40
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-60
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-90
-100
0
fCLK = 50MSPS
fOUT = 1.9, 2.2, 2.8, 3.1MHz
COMBINED PEAK
AMPLITUDE = 0dBFS
SFDR = 74.2dBc
(IN A WINDOW)
950kHz / DIV.
10
FREQUENCY (MHz)
FIGURE 35. FOUR-TONE, CLOCK = 50MSPS
FN4321.5
January 22, 2010
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