DS1089LU-21G(2005) Просмотр технического описания (PDF) - Maxim Integrated
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DS1089LU-21G Datasheet PDF : 12 Pages
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3.3V Center Spread-Spectrum EconOscillator™
MASTER OSCILLATOR CHARACTERISTICS
(VCC = +2.7V to +3.6V, TA = -40°C to +85°C)
PARAMETER
SYMBOL
CONDITION
Internal Master Oscillator
Frequency
fMOSC
Master Oscillator Frequency
Tolerance
∆fMOSC
fMOSC
VCC = 3.3V,
TA = +25°C (Note 2)
Voltage Frequency
Variation
∆f
fMOSC
TA = +25°C (Note 3)
Temperature Frequency Variation
(Note 4)
∆f
fMOSC
Dither Frequency Range
(Note 5)
Dither Frequency
(Note 5)
fMOD
VCC = 3.3V,
fOUT = fMOSCmax
TA = 0°C to +85°C
TA = -40°C to 0°C
J3 = J2 = GND
J3 = GND, J2 = VCC
J3 = VCC, J2 = GND
J3 = J2 = VCC
J1 = GND, J0 = VCC
J1 = VCC, J0 = GND
J1 = J0 = VCC
MIN TYP MAX UNITS
33.3
66.6 MHz
-0. 5
+0. 5
%
-0.75
+0.75
%
-0.75
-2.00
+0.75
%
+0.75
±1
±2
%
±4
±8
fMOSC / 2048
fMOSC / 4096
Hz
fMOSC / 8192
AC ELECTRICAL CHARACTERISTICS
(VCC = +2.7V to +3.6V, TA = -40°C to +85°C)
PARAMETER
SYMBOL
Frequency Stable After
PRESCALER Change
Power-Up Time
tPOR +
tSTAB
(Note 6)
Enable of OUT After Exiting
Power-Down Mode
tSTAB (Note 6)
OUT Disabled After Entering
Power-Down Mode
tPDN
Load Capacitance
CL
Output Duty Cycle (fOUT)
CONDITION
MIN TYP MAX UNITS
1
Period
40
200
µs
512
clock
cycles
7
µs
15
50
pF
50
%
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