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CDCF2510 Datasheet(PDF) 8 Page - Texas Instruments |
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CDCF2510 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 15 page CDCF2510 3.3V PHASELOCK LOOP CLOCK DRIVER SCAS628D − APRIL 1999 − REVISED DECEMBER 2004 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 TYPICAL CHARACTERISTICS Figure 6 STATIC PHASE ERROR vs CLOCK FREQUENCY 50 60 70 80 90 100 110 120 fc − Clock Frequency − MHz −100 −150 −250 −300 −350 −400 −200 −50 0 −450 −500 VCC = 3.3 V C(LY) = 25 pF C(LF) = 12 pF TA = 25°C See Note A 130 140 Figure 7 300 250 200 0 50 60 70 80 90 100 110 120 130 140 150 100 50 Cycle to Cycle Peak to Peak fc − Clock Frequency − MHz VCC = 3.3 V C(LY) = 25 pF C(LF) = 12 pF TA = 25°C See Notes A and B JITTER vs CLOCK FREQUENCY NOTES: A. Trace feedback length FBOUT to FBIN = 5 mm, ZO = 50 Ω B. Phase error measured from CLK to FBIN C. C(LY) = Lumped capacitive load at Y D. C(LF) = Lumped feedback capacitance at FBIN Figure 8 ANALOG SUPPLY CURRENT vs CLOCK FREQUENCY 12 10 6 4 2 0 8 10 30 50 70 90 110 130 150 14 16 AVCC = VCC = 3.465 V Bias = 0/3 V C(LY) = 25 pF C(LF) = 0 TA = 25°C See Notes A and B fc − Clock Frequency − MHz Figure 9 SUPPLY CURRENT vs CLOCK FREQUENCY 250 150 100 50 0 200 10 30 50 70 90 110 130 150 fc − Clock Frequency − MHz 300 AVCC = VCC = 3.465 V Bias = 0/3 V C(LY) = 25 pF C(LF) = 0 TA = 25°C See Notes A and B NOTES: A. C(LY) = Lumped capacitive load at Y B. C(LF) = Lumped feedback capacitance at FBIN |
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