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SM802101UMGR Datasheet(PDF) 6 Page - Micrel Semiconductor |
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SM802101UMGR Datasheet(HTML) 6 Page - Micrel Semiconductor |
6 / 12 page Micrel, Inc. SM802101 July 2011 6 M9999-072111-A hbwhelp@micrel.com or (408) 955-1690 AC Electrical Characteristics (4, 5) VDD = VDDO1/2 = 3.3V ±5% or 2.5V ±5% VDD = 3.3V ±5%, VDDO1/2 = 3.3V ±5% or 2.5V ±5% TA = −40°C to +85°C. RL = 50Ω to VSS Symbol Parameter Condition Min. Typ. Max. Units FOUT1 Output Frequency FSEL=1 100 MHz FOUT2 Output Frequency FSEL=0 200 MHz FREF Reference Input Frequency 25 MHz TR/TF LVPECL Output Rise/Fall Time 20% – 80% 150 300 450 ps ODC Output Duty Cycle 48 50 52 % TSKEW Output-to-Output Skew Note 6 45 ps TLOCK PLL Lock Time 20 ms Tjit(∅) RMS Phase Jitter (7) 100MHz Integration Range (1.875MHz – 20MHz) Integration Range (12kHz – 20MHz) 200MHz Integration Range (1.875MHz – 20MHz) Integration Range (12kHz – 20MHz) 105 250 100 250 fs Spurious Noise Components 25MHz using 100MHz 25MHz using 200MHz -85 -90 dBc Notes: 5. All phase noise measurements were taken with an Agilent 5052B phase noise system. 6. Defined as skew between outputs at the same supply voltage and with equal load conditions; Measured at the output differential crossing points. 7. Measured using 25MHz crystal as the input reference source. If using an external reference input, use a low phase noise source. With an external reference, the phase noise will follow the input source phase noise up to about 1MHz. |
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