DS1091L Просмотр технического описания (PDF) - Maxim Integrated
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DS1091L Datasheet PDF : 9 Pages
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DS1091L
Automotive Temperature Range
Spread-Spectrum EconOscillator™
Typical Operating Characteristics (continued)
(VCC = 3.3V, TA = +25°C, unless otherwise noted.)
DUTY CYCLE vs. SUPPLY VOLTAGE
DUTY CYCLE vs. TEMPERATURE
52.0
60
3.5
51.5
58
3.0
51.0
fOUT = 66MHz
56
54
2.5
50.5
fOUT = 130kHz
fOUT = 66MHz
52
2.0
50.0
50
49.5
48
fOUT = 130kHz
1.5
46
49.0
NO DITHER
44
48.5
42
1.0
0.5
NO DITHER
48.0
40
0.0
3.0 3.1 3.2 3.3 3.4 3.5 3.6
-40 -15 10 35 60 85 110
VCC (V)
TEMPERATURE (°C)
OUTPUT RISE TIME
RISE TIME
= 1.02ns
TYPICAL
AT 12pF LOAD
TIME (ns)
OUTPUT FALL TIME
3.5
3.0
FALL TIME
2.5
= 1.13ns
TYPICAL
2.0
AT 12pF LOAD
1.5
1.0
0.5
0.0
TIME (ns)
SPECTRUM ATTENUATION vs. FREQUENCY
AT DIFFERENT DITHER AMPLITUDES
5 RBW = 120kHz 0%
0 CENTER DITHER
fOUT = 33.3MHz
±1%
-5
±2%
-10 ±4%
8dB
11dB
14dB
-15
-20
-25
-30
-35
31.9 32.4 32.9 33.4 33.9 34.4 34.9
FREQUENCY (MHz)
Maxim Integrated
4
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