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AD9517-4 数据表(PDF) 11 Page - Analog Devices |
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AD9517-4 数据表(HTML) 11 Page - Analog Devices |
11 / 80 page Data Sheet AD9517-4 Rev. E | Page 11 of 80 CLOCK OUTPUT ABSOLUTE TIME JITTER (CLOCK GENERATION USING INTERNAL VCO) Table 8. Parameter Min Typ Max Unit Test Conditions/Comments LVPECL OUTPUT ABSOLUTE TIME JITTER Application example based on a typical setup where the reference source is clean, so a wider PLL loop bandwidth is used; reference = 15.36 MHz; R = 1 VCO = 1475 MHz; LVPECL = 491.52 MHz; PLL LBW = 135 kHz 135 fs rms Integration BW = 200 kHz to 10 MHz 275 fs rms Integration BW = 12 kHz to 20 MHz VCO = 1475 MHz; LVPECL = 122.88 MHz; PLL LBW = 135 kHz 145 fs rms Integration BW = 200 kHz to 10 MHz 275 fs rms Integration BW = 12 kHz to 20 MHz VCO = 1475 MHz; LVPECL = 61.44 MHz; PLL LBW = 135 kHz 170 fs rms Integration BW = 200 kHz to 10 MHz 305 fs rms Integration BW = 12 kHz to 20 MHz CLOCK OUTPUT ABSOLUTE TIME JITTER (CLOCK CLEANUP USING INTERNAL VCO) Table 9. Parameter Min Typ Max Unit Test Conditions/Comments LVPECL OUTPUT ABSOLUTE TIME JITTER Application example based on a typical setup where the reference source is jittery, so a narrower PLL loop bandwidth is used; reference = 10.0 MHz; R = 20 VCO = 1555 MHz; LVPECL = 155.52 MHz; PLL LBW = 500 Hz 500 fs rms Integration BW = 12 kHz to 20 MHz VCO = 1475 MHz; LVPECL = 122.88 MHz; PLL LBW = 500 Hz 400 fs rms Integration BW = 12 kHz to 20 MHz CLOCK OUTPUT ABSOLUTE TIME JITTER (CLOCK GENERATION USING EXTERNAL VCXO) Table 10. Parameter Min Typ Max Unit Test Conditions/Comments LVPECL OUTPUT ABSOLUTE TIME JITTER Application example based on a typical setup using an external 245.76 MHz VCXO (Toyocom TCO-2112); reference = 15.36 MHz; R = 1 LVPECL = 245.76 MHz; PLL LBW = 125 Hz 54 fs rms Integration BW = 200 kHz to 5 MHz 77 fs rms Integration BW = 200 kHz to 10 MHz 109 fs rms Integration BW = 12 kHz to 20 MHz LVPECL = 122.88 MHz; PLL LBW = 125 Hz 79 fs rms Integration BW = 200 kHz to 5 MHz 114 fs rms Integration BW = 200 kHz to 10 MHz 163 fs rms Integration BW = 12 kHz to 20 MHz LVPECL = 61.44 MHz; PLL LBW = 125 Hz 124 fs rms Integration BW = 200 kHz to 5 MHz 176 fs rms Integration BW = 200 kHz to 10 MHz 259 fs rms Integration BW = 12 kHz to 20 MHz |
类似零件编号 - AD9517-4 |
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类似说明 - AD9517-4 |
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