CVT25_15 Datasheet, PDF (1/1 Pages) Crystek Corporation – Temperature Compensated Voltage Controlled Crystal Oscillator

CVT25 Model
2.5×3.2 mm SMD, 3V, TCXO
Available Frequencies:
Frequency Stability:
Temperature Range:
Storage:
Input Voltage:
Input Current:
Output:
Waveform:
Load:
Voltage Control:
Vcont Trim:
Harmonics:
Phase Noise:
100Hz Offset
1kHz Offset
Aging:
13.0, 19.2, 26.0, 38.4, 40.0 (MHz)
±2.5ppm Max
-30°C to 75°C
-40°C to 90°C
3.0V ±5%
1.2mA Typ., 2mA Max
Model CVT25 is a Clipped
0.8Vp-p Min
Sinewave TCXO operating at 3.0
Clipped Sinewave
10kΩ // 10pF Typ.
Volts. The oscillator utilizes digital
1.5V ±1.0V
temperature compensation to provide
±8ppm Min
-5dBc Max
stable frequency output over
-110 dBc/Hz Max
temperature. No Sub-Harmonics are
-130 dBc/Hz Max
<1ppm per year
present in the Output Signal.
Applications:
GSM
GPRS
3G
CDMA
W-CDMA
Ordering Information:
Example:
Packaging:
CVT25-Frequency
CVT25-19.200
2,000pcs Tape/Reel
Dimensions inches (mm)
All dimensions are Max unless otherwise specified.
0.126 ±0.004
(3.2 ±0.1)
C freq
Lot Code
0.098 ±0.004
(2.5 ±0.1)
Denotes pad 1
0.021
(0.53)
#1
#2
0.039
(1.00)
Max
#4
#3
0.077
(1.95)
via to
ground
0.01µF
0.020
(0.5)
SUGGESTED PAD LAYOUT
0.077
(1.95)
4
3
0.020
(0.5)
0.043
(1.1)
1
0.035
(0.9)
2 _0.020
(0.5)
PWR
Supply
mA
M
VM
TEST CIRCUIT
Co
pin 4
pin 3
Vdd
OUT
Bypass
Cap.
OSC.
CL
Vcont
GND
pin 1
pin 2
FET PROBE
RL
PIN
Function
1
Volt Cont.
2
GND
3
OUT
4
Vcc
RECOMMENDED REFLOW SOLDERING PROFILE
260°C
217°C
Ramp-Up
3°C/Sec Max.
Critical
Temperature Zone
Ramp-Down
6°C/Sec.
200°C
150°C
Mechanical:
Shock:
Solderability:
Vibration:
Solvent Resistance:
Resistance to Soldering Heat:
Environmental:
Thermal Shock:
Moisture Resistance:
MIL-STD-883, Method 2002, Condition B
MIL-STD-883, Method 2003
MIL-STD-883, Method 2007, Condition A
MIL-STD-202, Method 215
MIL-STD-202, Method 210, Condition I or J
MIL-STD-883, Method 1011, Condition A
MIL-STD-883, Method 1004
Preheat
180 Secs. Max.
8 Minutes Max.
90 Secs. Max.
260°C for
10 Secs. Max.
NOTE: Reflow Profile with 240°C peak also acceptable.
Specifications subject to change without notice.
TD-061001 Rev. J
CRYSTEK
CORPORATION
12730 Commonwealth Drive • Fort Myers, Florida 33913
Phone: [phone] • 800-237-3061
Fax: [phone] • www.crystek.com