VOLTAGE CONTROLLED
CRYSTAL OSCILLATORS
HCMOS/TTL 3.3V
SURFACE MOUNT
R models
R3306,
R3320, R3330
5 x 7mm Surface Mount
Commercial: 0º to 70ºC
TRISTATE, 3.5 MHz to 55 MHz
GUARANTEED CAPTURE RANGE/ABSOLUTE PULL RANGE
Guaranteed Capture Range (GCR) and Absolute Pull Range (APR) are terms often used interchangeably.
MF's Guaranteed Capture Range (GCR) is defined as the minimum guaranteed frequency deviation or
"pull" (in ppm) around the nominal frequency, with all effects of temperature, variations in VDD and load
taken into account. This amount of absolute frequency deviation is available under all operating conditions
for modulation or capturing other signals. No additional frequency capture allowances are necessary.
FEATURES
•
Guaranteed Capture Range of ±50 ppm
•
Excellent incremental and best-straight-line linearity
•
Start-up time is less than 5ms
•
Each unit is ATE-tested to guarantee full compliance with all electrical specifications
TYPICAL APPLICATIONS
•
Phase locked loops and data acquisition projects, including:
– xDSL customer premise equipment
– Cable modems
– ATM/SONET/SDH
Description
These SMD VCXOs generate a 3.3 volt
HCMOS/TTL frequency output which is
controlled ("pulled") by an input voltage.
MF Electronics' VCXO specification
defines not only the end-point frequency/
voltage parameters, but also the center
voltage at which the nominal frequency
is achieved.
CONNECTIONS
R Models
Control Voltage
Not Used
Ground
Output
Tristate
+3.3V, V
DD
Pad 1.
Pad 2.
Pad 3.
Pad 4.
Pad 5.
Pad 6.
0.071 (1.8) SQ.
Marking
is shown
on top
0.165
(4.2)
PAD 1
(dot)
0.303 (7.7)
Maximum
.075 (1.9)
Maximum
PAD 1(V
C
)
0.205, (5.2)
Maximum
SUGGESTED PC PADS
2
Temperature of pad (°C)
0.200
(5.1)
230
200
160
140
100
PAD 3 (GND)
Millimeters are shown in ( ).
PAD 6
(V
DD
)
PAD 5
(TRIS)
.055, (1.4)
0.200
±
.005
(5.1)
PAD 4
(OUTPUT)
.055, (1.4)
30
sec
min.
50 to
100 sec
20 30 to 20
sec 50 sec sec
min.
min.
Time (sec)
“R-1” Package
Recommended Reflow Soldering Profile
ELECTRONICS
10 Commerce Dr • New Rochelle NY 10801
International Sales: +1.914-712-2200
•
USA Sales: +1.800.331.1236
•
Fax: 914.712.2290
•
www.mfelectronics.com
•
email:sales@mfelectronics.com
1 of 4
VOLTAGE CONTROLLED
CRYSTAL OSCILLATORS
HCMOS 3.3V
5 x 7mm Surface Mount
Commercial: 0º to 70ºC
TRISTATE, 3.5 MHz to 55 MHz
SURFACE MOUNT
R models
R3306,
R3320, R3330
Center Frequency is Between Two Voltages with ±50 ppm stability
Marking
Letter
ID
VW
Control
Voltage
(Volts)
0 to 3.0
Guaranteed
Frequency
Deviation
(ppm)
± 50 min
Control
Capture
Range
(ppm)
± 50
Center
Voltage
at Center
Frequency
–
Frequency
Stability
(ppm)
± 30, typ
ELECTRICAL SPECIFICATIONS
Frequency Range
3.5 MHz to 55 MHz
MODEL
R3306
Frequency Stability
Includes calibration at 25°C, operating temperature,
change of input voltage, change of load, shock and
vibration.
Input Voltage, V
DD
Input Current
3 M to 10 MHz
10.1 to 20 MHz
20.1 to 30 MHz
30.1 MHz and above
Output Levels
“0” Level, sinking 16 ma
“1” Level
CMOS, sourcing 8 ma
Rise and Fall Times
CMOS, 15 pf,
20 to 80%
CMOS, 30 pf,
20 to 80%)
CMOS, 50 pf,
20 to 80%)
Symmetry
CMOS, @ 50% V
DD
Aging
First year
After first year
Input Impedance,
Pad 1, Control Voltage
100
MIN.
3.0
TYP
3.3
2.0
3.0
5.0
7.0
MAX
3.6
3.5
4.0
6.0
8.0
0.4
V
DD
-.4
UNITS
volts
ma
ma
ma
ma
volts
volts
Center Frequency is at 1.5V with ±50 ppm stability
Marking
Letter
ID
VX
Control
Voltage
(Volts)
0.5 to 2.5
Frequency
Deviation
(ppm)
± 50 to 150
Guaranteed Control
Center
Capture
Voltage Frequency
Range
at Center Stability
(ppm)
Frequency
(ppm)
± 50
1.5
± 30, typ
MODEL
R3320
Center Frequency is at 1.5V with ±25 ppm stability
Marking
Letter
ID
VY
Control
Voltage
(Volts)
0.5 to 2.5
Frequency
Deviation
(ppm)
± 50 to 150
Guaranteed Control
Center
Capture
Voltage Frequency
Range
at Center Stability
(ppm)
Frequency
(ppm)
± 50
1.5
± 15, typ
MODEL
R3330
3.0
4.0
6.0
48/52
3
1
1000
4
5
8
45/55
ns
ns
ns
percent
ppm
ppm/yr
Kohms
DESCRIPTIONS
R3306
R3320
R3330
±50 ppm, min. deviation when using
0 to 3.0V rail-to-rail control-voltage
±50 ppm capture when using using 0.5 to 2.5V
control-voltage and 1.5V center with ±50 ppm stability
±50 ppm capture when using using 0.5 to 2.5V
control-voltage and 1.5V center with ±25 ppm stability
FREQUENCY STABILITY
Frequency stability vs. Temperature (0 to 70°C) is typically better than
±20 ppm. Since the deviation of each oscillator is tested and guaranteed
over the whole operating temperature range, it is not necessary to make
additional capture allowances. All oscillators will capture frequencies with
the full minimum values of the deviation under all conditions.
QUALITY
Each VCXO is computer-tested at three temperatures to guarantee
full compliance to the specification.
PAD 1.
CONTROL VOLTAGE
+3.3V
V
DD
Power
Supply
GND
V
DD
MA
1
6
5
Tristate
“1” Output is On - Pin 5 may float or 2.4V min, sourcing 400µa
“0” Output is disabled, tristate, high impedance -
Pin 5 requires 0.4V, sinking 400µa
Control Voltage Bandwidth
15
75
KHz
PAD 5.
TRISTATE
2
LOAD
COUNTER
3
4
FET PROBE
To adapt Fet probe to receptacle
use Tektronix Part #103-0164-00
350 MHz
SCOPE
Y-OUTPUT
To connect output to scope use
use Tektronix Part #131-0258-00 (receptacle)
TEST CIRCUIT
ELECTRONICS
10 Commerce Dr • New Rochelle NY 10801
International Sales: +1.914-712-2200
•
USA Sales: +1.800.331.1236
•
Fax: 914.712.2290
•
www.mfelectronics.com
•
email:sales@mfelectronics.com
2 of 4
VOLTAGE CONTROLLED
CRYSTAL OSCILLATORS
HCMOS 3.3V
5 x 7mm Surface Mount
Commercial: 0º to 70ºC
TRISTATE, 3.5 MHz to 55 MHz
SURFACE MOUNT
R models
R3306,
R3320, R3330
ENVIRONMENTAL SPECIFICATIONS
Temperature
Operating
0º to 70°C
Storage
-55º to +125°C
Shock
– 1000 Gs, 0.35 ms, 1/2 sine wave, 3 shocks in each plane
Vibration
– 10-2000 Hz of .06" d.a. or 20 Gs, whichever is less
Humidity
– Resistant to 85° R.H. at 85°C
MECHANICAL SPECIFICATIONS
Leak
– MIL STD 883, Method 1014, condition A1
Case
– Ceramic with metal lid
Pads
– 60 microinch of gold over nickel
Marking
– Print is permanent black ink.
Resistance to Solvents
– MIL STD 202, Method 215
MARKING SPECIFICATION
The format for the marking is:
MF Electronics Model
R Oscillator
Code
Date
Code
MRXXYY
125.00
Pin 1
Frequency
TABLE 1
Model
R3306
R3320
R3330
Marking Letter ID
VW
VX
VY
DEVIATION vs CONTROL VOLTAGE
FOR R3330 -27M, TYPICAL
Fig. 1 R3320 –20M
Fig. 2 R3320 –19.44M
with 25 pf load
ELECTRONICS
10 Commerce Dr • New Rochelle NY 10801
International Sales: +1.914-712-2200
•
USA Sales: +1.800.331.1236
•
Fax: 914.712.2290
•
www.mfelectronics.com
•
email:sales@mfelectronics.com
3 of 4
VOLTAGE CONTROLLED
CRYSTAL OSCILLATORS
HCMOS 3.3V
5 x 7mm Surface Mount
Commercial: 0º to 70ºC
TRISTATE, 3.5 MHz to 55 MHz
SURFACE MOUNT
R models
R3306,
R3320, R3330
Deviation from Nominal Frequency, ppm
150
150
100
100
100
50
50
50
0
0
0
-50
-50
V
DD
= 3.6V
V
DD
= 3.3V
V
DD
= 3.0V
-50
V
DD
= 3.6V
V
DD
= 3.3V
V
DD
= 3.0V
-100
V
DD
= 3.6V
V
DD
= 3.3V
V
DD
= 3.0V
-100
-100
-150
-150
0.0
0.5
1.0
1.5
2.0
2.5
3.0
-150
0.0
0.5
1.0
1.5
2.0
2.5
3.0
-200
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Control Voltage, Vc
Control Voltage, Vc
Control Voltage, Vc
Fig. 3 Deviation vs. Control Voltage
at 0°C
Fig. 4 Deviation vs. Control Voltage
at 25°C
Fig. 5 Deviation vs. Control Voltage
at 70°C
HOW TO ORDER
For Part Number, put package type before model number,
and add frequency in MHz, for example:
R 33 2 0 - 44.736M
SMD “R” package
“3320”
is model
type
“44.736 M”
frequency
in MHz
SS#
R3306
Rev.
A
ELECTRONICS
10 Commerce Dr • New Rochelle NY 10801
Unless customer-specific terms and conditions
are signed by an officer of MF Electronics, the
sale of this and all MF Electronics products are
subject to terms and conditions set forth at
www.mfelectronics.com/terms
International Sales: +1.914-712-2200
•
USA Sales: +1.800.331.1236
•
Fax: 914.712.2290
•
www.mfelectronics.com
•
email:sales@mfelectronics.com
4 of 4
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