ADN2809XCP データシートの表示（PDF） - Analog Devices
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ADN2809XCP Datasheet PDF : 13 Pages
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ADN2809
SEL2
0
0
0
0
1
1
1
1
SEL0
0
0
1
1
0
0
1
1
TABLE 2. Data Rate Selection
SEL1 Rate
0
OC48
1
Gigabit Ethernet
0
OC12
1
OC3
0
OC48 * 15/14
1
Gigabit Ethernet * 15/14
0
OC12 * 15/14
1
OC3 * 15/14
Fr equency
2.48832 GHz
1.25 GHz
622.08 MHz
155.52 MHz
2.666 GHz
1.339 GHz
666.51 MHz
166.63 MHz
TABLE 3. Refer ence Fr equency Selection
REFSEL1
REFSEL0 Applied Refer ence Fr equency
0
0
19.44 MHz
0
1
38.88 MHz
1
0
77.76 MHz
1
1
155.52 MHz
TABLE 4. Cr ystal Specification - see note (3)
Par ameter
Value
Mode
Series Resonant
Frequency / Overall Stability
19.44 MHz / +/- 50 ppm
Frequency Accuracy
Temp. Stability
+/- 50 ppm / total Temp. Stability
Ageing
ESR
20 ohms max
(3) No additional external components are required
TABLE 5. Recommended Capacitor Specification
Par ameter
Value
Capacitance
(-40C to 85C) >3.0uF
Leakage
(-40C to 85C) <80nA
Rating
>6.3V
REV. PrB Oct. .2001
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