DS4000 Dallas Semiconducotr, DS4000 Datasheet - Page 3

• Manufacturer Part Number: DS4000
• Description: Digitally Controlled TCXO
• Manufacturer: Dallas Semiconducotr

AC ELECTRICAL CHARACTERISTICS: TCXO
(V
Note 5: F
Note 6: First year typical.
Note 7: 16.384MHz, 5V, +25°C with one of the two outputs enabled.
Output Frequency
Frequency Stability vs.
Temperature
Frequency Stability vs. Voltage
Frequency Stability vs. Aging
F
90%
Max Output Capacitive Load
Duty Cycle
Phase Noise f1 Output (Note 7)
CC
1
, F
= 5V ±5%, over the operating temperature range.)
2
derived from the base frequency, F
register. The minimum output frequency is F
Rise and Fall Time, 10% to
1
is the base frequency as defined by the package markings. F
PARAMETER
1
, by programming the F
SYMBOL
DF/T
DF/Yr
DF/V
t
t
W
R
1
C
F
F
f
, t
/ (2
N
1
2
/ t
L
F
A
8
+ 1) with DC = 0 and f
CMOS (Note 5)
(Note 6)
10Hz
100Hz
1kHz
10kHz
100kHz
3 of 16
CONDITIONS
2
frequency select register and duty cycle (DC) bit in the TCXO control
2
is a programmable frequency output. The output frequency of F
1
/ [2 x (2
8
+ 1)] with DC = 1.
MIN
-1.0
10
40
-115
-129
-134
-139
TYP
±1.0
±1.0
-85
50
4
MAX
+1.0
20
10
60
ppm/Yr
dBc/Hz
UNITS
ppm/V
MHz
ppm
pF
ns
%
2
is