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PL620-88OC-R 数据表(PDF) 3 Page - Micrel Semiconductor |
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PL620-88OC-R 数据表(HTML) 3 Page - Micrel Semiconductor |
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3 / 6 page ![]() PL620-88/-89 Low Phase Noise XO (9.5-65MHz Output) Micrel Inc. • 2180 Fortune Drive • S an Jose, CA 95131 • USA • tel +1(408) 944-0800 • fax +1(408) 474-1000 • www.micrel.com Rev 4/28/09 Page 3 2. Crystal Specifications PARAMETERS SYMBOL CONDITIONS MIN TYP MAX UNITS Crystal Resonator Frequency FXIN Fundamental 19 65 MHz Crystal Loading Rating CL (xtal) 8.5 pF Interelectrode Capacitance C0 5 pF Recommended ESR RE AT cut 30 Ω 3. General Electrical Specifications PARAMETERS SYMBOL CONDITIONS MIN TYP MAX UNITS Supply Current (Loaded Outputs) IDD LVPECL/LVDS, 15pF Load 100/80 mA Operating Voltage VDD 2.25 3.63 V Output Clock Duty Cycle @ 1.25V (LVDS) @ VDD – 1.3V (LVPECL) 45 50 55 % Short Circuit Current 50 mA 4. Jitter Specifications PARAMETERS CONDITIONS MIN TYP MAX UNITS Period jitter RMS at 27MHz With capacitive decoupling between VDD and GND. Over 10,000 cycles 2.3 ps Period jitter peak-to-peak at 27MHz 18.5 20 Accumulated jitter RMS at 27MHz With capacitive decoupling between VDD and GND. Over 1,000,000 cycles. 2.3 ps Accumulated jitter pk-to-pk at 27MHz 24 25 Random Jitter “RJ” measured on Wavecrest SIA 3000 2.3 ps Measured on Wavecrest SIA 3000 5. Phase Noise Specifications PARAMETERS FREQUENCY @10Hz @100Hz @1kHz @10kHz @100kHz UNITS Phase Noise relative to carrier 27MHz -75 -100 -125 -140 -145 dBc/Hz Note: Phase Noise measured on Agilent E5500 |
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