Voltage Controlled Crystal Oscillator VCXO
Feature & Applications:
●
●
●
●
SMD
DVC-33
HCMOS/TTL compatible
3.3V or 5.0 VDC supply voltage
4 pad Flat-IC foot-print
SMD Thin Package
Dimension (Unit=mm)
1.2
■
Outline Drawing
5.0±0.15
Pin
3.2±0.15
0.8
2.54
1.3±0.2
Bottom View
1
4
2
3
1
2
3
4
Connection
NC or INH
V
SS
Output
+V
DD
2.2
1.4 x 1.2
2.54
Recommended
Land Pattern
DVC-33
■
Output Waveform
Tf
Tr
V
DD
■
Test Circuit
Counter/Oscilloscope
V
OH
90%V
DD
A
DC
Power
Supply
4(6)
3(4)
1
2(3)
V
0.1uF
50%V
DD
VC
CL
15pF
Max*
V
OL
40-60%
10%V
DD
V
DD
* Including probe & stray capacitance
■
General Characteristics
Parameter
Frequency Range
Frequency Tolerance
Operating Temperature
Storage Temperature
Supply Voltage
Voltage Control
Pulling Range
Linearity
Supply Current
Symmetry (Duty Cycle)
Output ‘0’ Level (V
0L
)
Output ‘1’ Level (V
0H
)
Rise/Fall Time (+0.3↔+3.0V
DD
)
Start up Time
Output Load
Model
DVC-33
3.3V
8.0 MHz to 40 MHz
± 50 ppm,
± 100 ppm
0°C to +70°C
-40°C to +85°C
DVC-33
5.0V
+3.3V
+1.65V
±10%
±1.35V
± 200, 150, 100, 50 ppm (option)
± 10%
+5.0V
+2.5V
±10%
±2.0V
25mA max (1.544 to 23.999MHz)
60mA max (45 to 69.999MHz)
+0.3V max
+3.0V min
30mA max (24 to 44.999MHz)
80mA max (70 to 120MHz)
+0.5V max
+4.5V min
40% to 60 % (standard), 45% to 55% (tight) at 1/2V
DD
10nS max
10mS max
15pF
15pF or 2TTL
Part Number Guide:
DVC
VCXO
SMD
-
33
-
2
-
27.000 -
100
-
S
Case
2=HCMOS Frequency Freq. Tol
Symmetry
33 = 5x3.2 4P
27.000MHz 100 =
±100ppm
S = 40~60%
T = 45~55%
-
5.0
Input Voltage
5.0 = +5.0V
3.3 = +3.3V
-
100
-
Pull Range
100=±100ppm
050=±50ppm
N
Options
N = No
Other combination is available
Talking
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