Datasheet

DS1089L
3.3V Center Spread-Spectrum EconOscillator™
_____________________________________________________________________ 3
PARAMETER
SYMBOL
CONDITION
MIN TYP MAX
UNITS
Internal Master Oscillator
Frequency
f
MOSC
33.3 66.6
MHz
Master Oscillator Frequency
Tolerance
V
CC
= 3.3V,
T
A
= +25° C (Notes 2, 10)
-0. 5 +0. 5
%
Voltage Frequency
Variation
T
A
= +25° C (Note 3)
-0.75 +0.75
%
T
A
= 0°C to +85°C
-0.75 +0.75
Temperature Frequency Variation
(Note 4)
V
CC
= 3.3V,
f
OUT
= f
MOSCmax
T
A
= -40°C to 0°C
-2.00 +0.75
%
J3 = J2 = GND ±1
J3 = GND, J2 = V
CC
±2
J3 = V
CC
, J2 = GND ±4
Dither Frequency Range
(Note 5)
J3 = J2 = V
CC
±8
%
J1 = GND, J0 = V
CC
f
MOSC
/ 2048
J1 = V
CC
, J0 = GND f
MOSC
/ 4096
Dither Frequency
(Note 5)
f
MOD
J1 = J0 = V
CC
f
MOSC
/ 8192
Hz
MASTER OSCILLATOR 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) 40 200 µs
Enable of OUT After Exiting
Power-Down Mode
t
STAB
(Note 6) 512
clock
cycles
OUT Disabled After Entering
Power-Down Mode
t
PDN
7µs
Load Capacitance C
L
15 50 pF
Output Duty Cycle (f
OUT
) 50 %
AC ELECTRICAL CHARACTERISTICS
(V
CC
= +2.7V to +3.6V, T
A
= -40°C to +85°C)
∆f
f
MOSC
MOSC
∆f
f
MOSC
∆f
f
MOSC