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PLL520-28 Datasheet(PDF) 3 Page - PhaseLink Corporation |
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PLL520-28 Datasheet(HTML) 3 Page - PhaseLink Corporation |
3 / 7 page PLL520-28/-29 Low Phase Noise VCXO (for 120-200MHz Fund Xtal) 47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991 www.phaselink.com Rev 09/20/04 Page 3 3. Voltage Control Crystal Oscillator (3.3V) PARAMETERS SYMBOL CONDITIONS MIN. TYP. MAX. UNITS VCXO Stabilization Time * TVCXOSTB From power valid 10 ms VCXO Tuning Range FXIN = 100 – 200MHz; XTAL C0/C1 < 250 0V ≤ VCON ≤ 3.3V 200* ppm CLK output pullability VCON=1.65V, ±1.65V ±100* ppm On-chip Varicaps control range VCON = 0 to 3.3V 4 – 18* pF Linearity 10* % VCXO Tuning Characteristic 65 ppm/V VCON input impedance 60 k Ω VCON modulation BW 0V ≤ VCON ≤ 3.3V, -3dB 25 kHz Note: Parameters denoted with an asterisk (*) represent nominal characterization data and are not production tested to any specific limits. 4. General Electrical Specifications PARAMETERS SYMBOL CONDITIONS MIN. TYP. MAX. UNITS Supply Current (Loaded Outputs) IDD PECL/LVDS 100/80 mA Operating Voltage VDD 2.97 3.63 V Output Clock Duty Cycle @ 1.25V (LVDS) @ VDD – 1.3V (PECL) 45 45 50 50 55 55 % Short Circuit Current ±50 mA 5. Jitter Specifications PARAMETERS CONDITIONS MIN. TYP. MAX. UNITS Period jitter RMS 2.5 Period jitter peak-to-peak At 155.52MHz, with capacitive decoupling between VDD and GND. 18.5 ps Accumulated jitter RMS 2.5 Accumulated jitter peak-to-peak At 155.52MHz, with capacitive decoupling between VDD and GND. Over 10,000 cycles. 24 ps Integrated jitter RMS at 155MHz Integrated 12 kHz to 20 MHz 0.3 ps 6. Phase Noise Specifications PARAMETERS FREQUENCY @10Hz @100Hz @1kHz @10kHz @100kHz UNITS Phase Noise relative to carrier 155.52MHz -75 -95 -125 -140 -145 dBc/Hz Note: Phase Noise measured at VCON = 0V |
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