DS1085 Datasheet, PDF (17/21 Pages) Dallas Semiconductor – EconOscillator Frequency Synthesizer

DS1085
MASTER OSCILLATOR CHARACTERISTICS
(V_CC = 5V ±5%, T_A = 0°C to +70°C.)
PARAMETER
SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Master Oscillator Range
f_OSC
66
133 MHz
7
Default Master
Oscillator Frequency
-10 Version
f₀
-25 Version
-50 Version
97.1
104.6
101.8
MHz
V_CC = 5V,
Master Oscillator
Frequency Tolerance
T_A = +25°C
Df₀
f₀
Default freq.
-0.75
+0.75
%
2, 17
Voltage Frequency
Variation
DAC step size -0.75
Overvoltage
range, T_A =
Df_V
+25°C
f₀
default freq. -1.0
+0.75
+1.0
%
3
Temperature Frequency
Variation
Integral Nonlinearity of
Frequency DAC
DAC Step Size -1.0
Overtemperature
range,
Df_T
V_CC = 5V
f₀
default freq. _-0.5
133MHz
-0.5
66MHz
-1.0
INL
DAC range -0.3
Entire range -0.4
+1.0
%
4, 5
+0.5
+0.5
+1.0
+0.3
%
+0.4
%
6
AC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL CONDITION
Frequency Stable After
DIV Change
Frequency Stable After
DAC or OFFSET
Change
Power-Up Time
t_por + t_stab
Enable of OUT0/1 After
Exiting Power-Down
t_stab
Mode
OUT0/1 High-Z After
t_stab
Entering Power-Down
Mode
Load Capacitance
C_L
Output Duty Cycle
(OUT0, OUT1)
(V_CC = 5V ±5%, T_A = 0°C to +70°C.)
MIN TYP MAX UNITS NOTES
1 Period
0.2
1
ms
8
0.1 0.5
ms
9
500
µs
1
ms
15 50
pF
10
40
60
%
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