Rainbow-electronics DS1080L Instrukcja Użytkownika Pobierz pdf (Strona 3)

DS1080L

Spread-Spectrum Crystal Multiplier

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AC ELECTRICAL CHARACTERISTICS

= +3.0 to +3.6V, T

= -40°C to +125°C.)

PARAMETER

SYMBOL

CONDITIONS MIN TYP MAX

UNITS

SSO Duty Cycle

SSODC

Measured at V

/ 2 40 60 %

Rise Time t

(Note 6) 1.6 ns

Fall Time t

(Note 6) 1.6 ns

Peak Cycle-to-Cycle Jitter t

SSO

= 16MHz, T

= -40 to +85°C,

10,000 cycles (Note 5)

75 ps

16MHz 20

Power-Up Time t

POR

PDN pin (Note 7)

33.4MHz 11

Power-Down Time t

PDN

PDN pin (Notes 8 and 9) 100 ns

Dither Rate

DITHER

1024

Note 1: All voltages referenced to ground.

Note 2: Maximum source/sink current applied to input to be considered a float.

Note 3: Applicable to pins CMSEL, SMSEL, and

PDN.

Note 4: See information about C

and C

in the Applications Information section at the end of the data sheet.

Note 5: Not production tested.

Note 6: For 7pF load.

Note 7: Time between PDN deasserted to output active.

Note 8: Time between PDN asserted to output high impedance.

Note 9: Guaranteed by design.

1 2 3 4 5 6 7 8

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