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CDCE62005 Datasheet(PDF) 20 Page - Texas Instruments |
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CDCE62005 Datasheet(HTML) 20 Page - Texas Instruments |
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20 / 85 page  CDCE62005 SCAS862F – NOVEMBER 2008 – REVISED JANUARY 2015 www.ti.com 8.3 Feature Description 8.3.1 Phase Noise Analysis Table 1. Device Output Phase Noise for 30.72 MHz External Reference(1) REFERENCE PHASE NOISE LVPECL 491.52 MHz LVDS 491.52 MHz LVCMOS 122.88 MHz UNIT 30.72 MHz 10 Hz –108 –81 –81 –92 dBc/Hz 100 Hz –130 –94 –96 –108 dBc/Hz 1 kHz –134 –106 –106 –118 dBc/Hz 10 kHz –152 –119 –119 –132 dBc/Hz 100 kHz –156 –121 –122 –134 dBc/Hz 1 MHz –157 –131 –131 –143 dBc/Hz 10 MHz — –145 –144 –150 dBc/Hz 20 MHz — –145 –144 –150 dBc/Hz Jitter(RMS) 10k~20 193 307 315 377 fs MHz (10 kHz – 1 MHz) (1) Phase Noise Specifications under following configuration: VCO = 1966.08 MHz, REF = 30.72 MHz, PFD Frequency = 30.72 MHz, Charge Pump Current = 1.5 mA Loop BW = 400 kHz at 3.3 V and 25°C Table 2. Device Output Phase Noise for 25 MHz Crystal Reference(1) PHASE NOISE LVPECL 500 MHz LVDS 250 MHz LVCMOS 125 MHz UNIT 10 Hz –57 –62 –68 dBc/Hz 100 Hz –90 –95 –102 dBc/Hz 1 kHz –107 –113 –119 dBc/Hz 10 kHz –115 –122 –128 dBc/Hz 100 kHz –118 –124 –130 dBc/Hz 1 MHz –130 –137 –143 dBc/Hz 10 MHz –145 –147 –150 dBc/Hz 20 MHz –145 –147 –150 dBc/Hz Jitter(RMS) 10k~20 MHz 389 405 437 fs (1) Phase Noise Specifications under following configuration: VCO = 2000.00 MHz, AUX IN = 25.00 MHz, PFD Frequency = 25.00 MHz, Charge Pump Current = 1.5 mA Loop BW = 400 kHz at 3.3 V and 25°C 20 Submit Documentation Feedback Copyright © 2008–2015, Texas Instruments Incorporated Product Folder Links: CDCE62005 |
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