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CDC421A100 Datasheet, PDF (7/15 Pages) Texas Instruments – Fully-Integrated, Fixed-Frequency, Low-Jitter Crystal Oscillator Clock Generator
CDC421AXXX
www.ti.com ....................................................................................................................................................................................................... SCAS875 – MAY 2009
Table 6. Phase Noise Data with LVCMOS Input of 31.2500 MHz and LVPECL Output at 250.00 MHz(1)
phn100
phn1k
phn10k
phn100k
phn1M
phn10M
phn20M
JRMS
Tj
Dj
PARAMETER
Phase noise at 100 Hz
Phase noise at 1 kHz
Phase noise at 10 kHz
Phase noise at 100 kHz
Phase noise at 1 MHz
Phase noise at 10 MHz
Phase noise at 20 MHz
RMS jitter integrated from 12 kHz to 20 MHz
Total jitter
Deterministic jitter
MIN
TYP
MAX
UNIT
–105
dBc/Hz
–112
dBc/Hz
–121
dBc/Hz
–124
dBc/Hz
–134
dBc/Hz
–148
dBc/Hz
–149
dBc/Hz
420
fs
36.98
ps
18.52
ps
(1) Phase noise specifications under following conditions: input frequency = 31.2500 MHz, output frequency = 250.00 MHz.
Table 7. Phase Noise Data with LVCMOS Input of 31.2500 MHz and LVPECL Output at 312.50 MHz(1)
phn100
phn1k
phn10k
phn100k
phn1M
phn10M
phn20M
JRMS
Tj
Dj
PARAMETER
Phase noise at 100 Hz
Phase noise at 1 kHz
Phase noise at 10 kHz
Phase noise at 100 kHz
Phase noise at 1 MHz
Phase noise at 10 MHz
Phase noise at 20 MHz
RMS jitter integrated from 12 kHz to 20 MHz
Total jitter
Deterministic jitter
MIN
TYP
MAX
UNIT
–102
dBc/Hz
–111
dBc/Hz
–120
dBc/Hz
–123
dBc/Hz
–135
dBc/Hz
–147
dBc/Hz
–147
dBc/Hz
378
fs
29.82
ps
11
ps
(1) Phase noise specifications under following conditions: input frequency = 31.2500 MHz, output frequency = 312.50 MHz.
Copyright © 2009, Texas Instruments Incorporated
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