Rainbow-electronics MAX31D80 Bedienungsanleitung PDF herunterladen (Seite 3)

Spread-Spectrum Clock Generators

MAX31C80/MAX31D80

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DC ELECTRICAL CHARACTERISTICS

(3.0V P V

P 3.6V, T

= -40NC to +125NC, unless otherwise noted.)

AC ELECTRICAL CHARACTERISTICS

(3.0V P V

P 3.6V, T

= -40NC to +125NC, unless otherwise noted.)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Supply Current I

= 27MHz, f

CLKOUT

= 100MHz, down

dithered, C

= 10pF

22 mA

Input Leakage

(SMSEL0 and SMSEL1)

SMSEL_ = GND or V

Q15 FA

Low-Level Output Voltage

(XOUT and CLKOUT)

= 10mA 0.2 V

High-Level Output Voltage

(XOUT and CLKOUT)

= -10mA

0.2

Input Capacitance

(X1 and X2)

5 pF

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

CLKOUT Duty Cycle f

CLKOUT:DC

L:CLKOUT

= 7pF 40 60

XOUT Duty Cycle f

XOUT:DC

L:XOUT

= 7pF, T

= +25NC,

= 3.3V

40 60

Rise Time t

L:CLKOUT

= 7pF 1.6 ns

Fall Time t

L:CLKOUT

= 7pF 1.6 ns

Dither Rate Range f

Factory programmable 20 40 kHz

Dither Rate Accuracy -4 +4 %

Peak Cycle-to-Cycle Jitter t

CLKOUT = 100MHz, 10,000 cycles,

= +25NC

75 ps

Power-Up Time t

PUP

valid to output active, T

= +25NC,

= 3.3V

1 ms

1 2 3 4 5 6 7 8 9

MAX31C80/MAX31D80 1

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