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SM802111UMG Fiches technique(PDF) 4 Page - Micrel Semiconductor |
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SM802111UMG Fiches technique(HTML) 4 Page - Micrel Semiconductor |
4 / 7 page Micrel, Inc. SM802111 April 2011 4 M9999-041111-A hbwhelp@micrel.com or (408) 955-1690 Ref_IN DC Electrical Characteristics (4) VDD = 3.3V ±5% or 2.5V ±5%, TA = –40°C to +85°C. Symbol Parameter Condition Min. Typ. Max. Units VIH Input High Voltage 1.1 VDD + 0.3 V VIL Input Low Voltage −0.3 0.6 V IIN Input Current VDD = 3.465V, VIN = 0V to VDD −5 5 μA AC Electrical Characteristics (4, 5) VDD = VDDO = 3.3V ±5% or 2.5V ±5% VDD = 3.3V ±5%, VDDO = 3.3V ±5% or 2.5V ±5% TA = −40°C to +85°C; RL = 50Ω to VDDO − 2V Symbol Parameter Condition Min. Typ. Max. Units FOUT Output Frequency 125 MHz FREF Reference Input Frequency 15 MHz TR/TF LVPECL Output Rise/Fall Time 20% – 80% 80 175 350 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) Output = 125MHz Integration Range (1.875MHz – 20MHz) 85 fs Spurious Noise Components 5MHz -73 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. Ref_IN driven with a low-noise source ClockWorks SM802001 programmed for a 15MHz CMOS output. Phase noise will track the input phase noise up to about 1MHz offset frequency. |
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