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CDCF2509PWR 数据表(PDF) 7 Page - Texas Instruments |
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CDCF2509PWR 数据表(HTML) 7 Page - Texas Instruments |
7 / 15 page CDCF2509 3.3V PHASELOCK LOOP CLOCK DRIVER SCAS624C − APRIL 1999 − REVISED DECEMBER 2004 7 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 TYPICAL CHARACTERISTICS 0 5 10 15 20 25 30 35 40 45 50 C(LF) − Load Capacitance − pF 10 0 −10 −20 20 −30 −40 100 0 −300 200 −400 Phase Error Phase Adjustment Slope −100 −200 VCC = 3.3 V fc = 133 MHz C(LY) = 25 pF C(LF) = 12 pF TA = 25°C See Notes A and B PHASE ADJUSTMENT SLOPE AND PHASE ERROR vs LOAD CAPACITANCE Figure 3 NOTES: A. Trace feedback length FBOUT to FBIN = 5 mm, ZO = 50 Ω, phase error measured from CLK to Yn B. C(LF) = Lumped feedback capacitance at FBIN Figure 4 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 5 PHASE ERROR vs SUPPLY VOLTAGE −100 −150 −250 −300 −350 −400 −200 3.1 3.2 3.3 3.4 3.5 −50 0 −450 −500 VCC − Supply Voltage − V 3.6 3 fc = 133 MHz C(LY) = 25 pF C(LF) = 12 pF TA = 25°C See Note A NOTE A: Trace feedback length FBOUT to FBIN = 5 mm, ZO = 50 Ω |
类似零件编号 - CDCF2509PWR |
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类似说明 - CDCF2509PWR |
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