MAX3674 Ver la hoja de datos (PDF) - Microsemi Corporation
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MAX3674 Datasheet PDF : 20 Pages
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High-Performance, Dual-Output,
Network Clock Synthesizer
Typical Operating Characteristics
(VCC = VCC_PLL = +3.3V, TA = +25°C, fQA = fQB = 500MHz (P = 4, NA = 4, NB = 1, M = 500), REF_SEL= high (crystal oscillator),
fXTAL = 16MHz, unless otherwise noted.)
CYCLE-TO-CYCLE JITTER
vs. VCO FREQUENCY
5
NA = 16, 32, 64
4
NA = 8
3
NA = 4
2
1
NA = 2
0
1360 1632 1904 2176 2448 2720
VCO FREQUENCY (MHz)
PERIOD JITTER vs. VCO FREQUENCY
5
4
NA = 16, 32, 64
3
NA = 8
2
NA = 4
1
NA = 2
0
1360 1632 1904 2176 2448 2720
VCO FREQUENCY (MHz)
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
100
PHASE NOISE
P=4
P=2
1k 10k 100k 1M 10M 100M
OFFSET FREQUENCY (Hz)
OUTPUT PEAK-TO PEAK VOLTAGE
vs. OUTPUT FREQUENCY
900
850
800
750
700
650
600
550
500
450
400
0
200 400 600 800 1000 1200 1400
OUTPUT FREQUENCY (MHz)
Qx CLOCK OUTPUT
(SINGLE-ENDED)
MAX3674 toc07
500ps/div
OUTPUT RISE/FALL TIME
vs. OUTPUT FREQUENCY
350
300
250
200
150
100
0
200 400 600 800 1000 1200 1400
OUTPUT FREQUENCY (MHz)
TOTAL SUPPLY CURRENT
vs. TEMPERATURE
150
INCLUDES PECL OUTPUT CURRENTS
140
130
120
110
100
90
-50 -25 0
25 50 75 100
TEMPERATURE (°C)
OUTPUT-TO-OUTPUT SKEW
vs. OUTPUT FREQUENCY
300
250
200
NB = 2, (fQA = 2 x fQB)
150
100
NB = 1, (fQA = fQB)
50
0
0 200 400 600 800 1000 1200 1400
QA OUTPUT FREQUENCY (MHz)
PLL SUPPLY CURRENT
vs. VCO FREQUENCY
12
11
10
9
8
7
6
5
4
3
2
1
0
1360 1632 1904 2176 2448 2720
VCO FREQUENCY (MHz)
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