Datasheet

DS1085L
17 of 21
MASTER OSCILLATOR CHARACTERISTICS (V
CC
= 3.3V ±10%, T
A
= 0°C to +70°C.)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Master Oscillator Range f
OSC
33 66 MHz 7
Default Master
Oscillator Frequency
f
0
-5 version
-12 version
-25 version
48.58
52.3
50.9
MHz
Master Oscillator
Frequency Tolerance
Df
0
f
0
V
CC
= 3.3V,
T
A
= +25°C
Default
frequency
DAC step size
-0.75
-0.75
+0.75
+0.75
% 2, 17
Voltage Frequency
Variation
Df
V
f
0
Overvoltage
range,
T
A
= +25°C
Default freq.
DAC step size
-1.0
-1.0
+1.0
+1.0
% 3
Overtemperature
range,
Vcc = 3.3V
Default freq.
-0.75 +0.75
66MHz -0.75 +0.75
Temperature Frequency
Variation
Df
T
f
0
33MHz -1.5 +1.5
%
4, 5
DAC range -0.3 +0.3 % Integral Nonlinearity of
Frequency DAC
INL
Entire range -0.4 +0.4 %
6
AC ELECTRICAL CHARACTERISTICS (V
CC
= 3.3V ±10%, T
A
= 0°C to +70°C.)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Frequency Stable After
DIV Change
1 Period
Frequency Stable After
DAC or OFFSET
Change
0.2 1 ms 8
Power-Up Time t
por
+ t
stab
0.1 0.5 ms 9
Enable of OUT0/1 After
Exiting Power-Down
Mode
t
stab
500 µs
OUT0/1 High-Z After
Entering Power-Down
Mode
t
stab
1 ms
Load Capacitance C
L
15 50 pF 10
Output Duty Cycle
(OUT0, OUT1)
40 60 %