lmk04000b National Semiconductor Corporation, lmk04000b Datasheet - Page 25

• Manufacturer Part Number: lmk04000b
• Description: Low-noise Clock Jitter Cleaner With Cascaded Plls
• Manufacturer: National Semiconductor Corporation

13.1 Clock Output AC Characteristics (continued)
Note 42: Reference clock = 10 MHz, PLL1_R = 10, PLL1_N = 100, PLL1_CP_GAIN = 100 µA, PLL1 Loop BW = 20 Hz, VCXO = 100 MHz Crystek CVPD-920-100,
PLL2_R = 2, PLL2_N = 10, PLL2_CP_GAIN = 1600 µA, PLL2 Loop BW = 137 kHz, f
Typical LVCMOS Phase Noise, F
Typical LVPECL Phase Noise, F
Typical LVDS Phase Noise, F
CLK
CLK
CLK
= 250 MHz, RMS Jitter = 192 fs (100 Hz to 20 MHz) (Note 42)
= 250 MHz, RMS Jitter = 196 fs (100 Hz to 20 MHz) (Note 42)
= 250 MHz, RMS Jitter = 188 fs (100 Hz to 20 MHz) (Note 42)
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VCO
= 1500 MHz, VCO_DIV = 3, CLKoutX_DIV = 2, CLK_DLY = OFF.
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