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SM802141UMG Fiches technique(PDF) 6 Page - Micrel Semiconductor |
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SM802141UMG Fiches technique(HTML) 6 Page - Micrel Semiconductor |
6 / 13 page Micrel, Inc. SM802141 April 2012 6 M9999-041812-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 = 40C to 85C, RL = 50Ω to VDDO 2V Symbol Parameter Condition Min. Typ. Max. Units FOUT1 Output Frequency 1 (7) XTAL_SEL = H, FSEL =X, OE1 = H, OE2 = L, PLL Bypass = H 25 MHz FOUT2 Output Frequency 2 (7) XTAL_SEL = H, FSEL =1, OE1 = H, OE2 = H, PLL Bypass = L 312.5/ 125 MHz FOUT3 Output Frequency 3 (7) XTAL_SEL = H, FSEL =0, OE1 = H, OE2 = H, PLL Bypass = L 156.25/ 62.5 MHz FOUT4 Output Frequency 4 (7) XTAL_SEL = L, FSEL =X, OE1 = H, OE2 = L, PLL Bypass = H REF_IN MHz FREF Reference Input Frequency 25 MHz TR/TF LVPECL Output Rise/Fall Time 20% – 80% 80 175 350 ps ODC Output Duty Cycle 48 50 52 % TLOCK PLL Lock Time 20 ms Tjit() RMS Phase Jitter (6) 25MHz Integration Range (12kHz – 5MHz) 62.5MHz Integration Range (12kHz – 10MHz) 125MHz Integration Range (12kHz – 20MHz) 156.25MHz Integration Range (12kHz – 20MHz) 312.5MHz Integration Range (12kHz – 20MHz) 240 315 255 245 250 fsrms Spurious Noise Components 12.5MHz using 62.5MHz 25MHz using 125MHz 6.25MHz using 156.25MHz 25MHz using 156.25MHz 12.5MHz using 312.5MHz -76 -80 -82 -62 -79 dBc Notes: 5. All phase-noise measurements were taken with an Agilent 5052B phase-noise system. 6. 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. 7. When output bank Q1 and output bank Q2 are externally tied together. Refer to Output selection Table. |
Numéro de pièce similaire - SM802141UMG |
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Description similaire - SM802141UMG |
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