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CDC421XXX Datasheet, PDF (7/18 Pages) Texas Instruments – FULLY INTEGRATED FIXED FREQUENCY LOW-JITTER, CRYSTAL-OSCILLATOR CLOCK GENERATOR | |||
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CDC421xxx
SLAS540 â APRIL 2007
Table 8. Phase Noise Parameters With LVCMOS Input of 31.2500 MHz and LVPECL Output at 250.00 MHz
PARAMETER
Phase Noise Specifications Under Following Conditions: fin = 31.2500 MHz, fout = 250.00 MHz
phn100
Phase noise at 100 Hz
phn1K
Phase noise at 1 kHz
phn10k
Phase noise at 10 kHz
phn100k
Phase noise at 100 kHz
phn1M
Phase noise at 1 MHz
phn10M
Phase noise at 10 MHz
phn20M
Phase noise at 20 MHz
JRMS
RMS jitter integrated from 12 kHz to 20 MHz
Tj
Total jitter
Dj
Deterministic jitter
MIN TYP
â103
â112
â121
â124
â134
â148
â149
420
36.98
18.52
MAX UNIT
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
fs
ps
ps
Table 9. Phase Noise Parameters With LVCMOS Input of 31.2500 MHz and LVPECL Output at 312.50 MHz
PARAMETER
Phase Noise Specifications Under Following Conditions: fin = 31.2500 MHz, fout = 312.50 MHz
phn100
Phase noise at 100 Hz
phn1K
Phase noise at 1 kHz
phn10k
Phase noise at 10 kHz
phn100k
Phase noise at 100 kHz
phn1M
Phase noise at 1 MHz
phn10M
Phase noise at 10 MHz
phn20M
Phase noise at 20 MHz
JRMS
RMS jitter integrated from 12 kHz to 20 MHz
Tj
Total jitter
Dj
Deterministic jitter
MIN TYP
â102
â111
â120
â123
â135
â147
â147
378
29.82
11
MAX UNIT
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
fs
ps
ps
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