DS1080LU Просмотр технического описания (PDF) - Maxim Integrated
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DS1080LU Datasheet PDF : 8 Pages
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DS1080L
Spread-Spectrum Crystal Multiplier
AC ELECTRICAL CHARACTERISTICS
(VCC = +3.0 to +3.6V, TA = -40°C to +125°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
SSO Duty Cycle
Rise Time
Fall Time
SSODC
tR
tF
Measured at VCC/2, CMSEL = 0 or open
Measured at VCC/2, CMSEL = 1
(Note 6)
(Note 6)
40
60
%
30
70
1.6
ns
1.6
ns
Peak Cycle-to-Cycle Jitter
tJ
fSSO = 16MHz, TA = -40 to +85°C,
10,000 cycles (Note 5)
75
ps
Power-Up Time
tPOR
PDN pin (Note 7)
16MHz
33.4MHz
20
ms
11
Power-Down Time
Dither Rate
tPDN
fDITHER
PDN pin (Notes 8 and 9)
(Note 9)
100
ns
fIN/992
Note 1: All voltages referenced to ground.
Note 2: Maximum source/sink current applied to input to be considered an open. Typical voltage range between 0.4 x VCC and 0.55
x VCC.
Note 3: Applicable to pins CMSEL, SMSEL, and PDN.
Note 4: See information about CL1 and CL2 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.
Maxim Integrated
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