Datasheet

DS1087L
3.3V Spread-Spectrum EconOscillator
_____________________________________________________________________ 3
MASTER OSCILLATOR CHARACTERISTICS
(V
CC
= 2.7V to 3.6V, T
A
= -40°C to +85°C.)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS
Master Oscillator Range
Available
f
0
33.3 66.6 MHz
Master Oscillator Frequency
Tolerance
∆ f
0
f
0
V
CC
= 3.3V, T
A
= +25°C (Notes 2, 13) -0.5 +0.5 %
Voltage Frequency
Variation
∆ f
V
f
0
Over voltage range, T
A
= +25°C (Note 3) -0.75 +0.75 %
Temperature Frequency Variation
∆
f
T
f
0
0°C to +70°C, V
CC
= 3.3V (Note 4) -0.5 +0.5 %
Temperature Frequency Variation
∆
f
T
f
0
-40°C to +85°C, V
CC
= 3.3V (Note 4) -1.5 +0.5 %
Prescaler bit J0 = 1 (Note 5) 2
Dither Frequency Range
Prescaler bit J0 = 0 (Note 5) 4
%
Dither Rate f
0
/ 4096 Hz
AC ELECTRICAL CHARACTERISTICS
(V
CC
= 2.7V to 3.6V, T
A
= -40°C to +85°C.)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS
Frequency Stable After
PRESCALER Change
1 period
Power-Up Time
t
POR
+
t
STAB
(Note 6) 0.1 0.5 ms
Enable of OUT After Exiting
Power-Down Mode
t
STAB
500 µs
OUT Disabled After Entering
Power-Down Mode
t
PDN
1ms
Load Capacitance C
L
(Note 7) 15 50 pF
Output Duty Cycle (OUT) T
A
= +25°C 45 55 %