Rainbow Electronics DS1087L - Manual (Page 3)

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, TA = +25 °C (Note 2) -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 / 2048 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 1 ms
Load Capacitance C L (Note 7) 15 50 pF
Output Duty Cycle (OUT) T A = +25°C 45 55 %