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CVT32_15 Datasheet, PDF (1/1 Pages) Crystek Corporation – Temperature Compensated Voltage Controlled Crystal Oscillator
CVT32 Model
3.2×5.0 mm SMD, 3V, TCVCXO
Frequency Range:
Calibration Tolerance:
Frequency Stability:
Temperature Range:
Storage:
Input Voltage:
Input Current:
Output:
Waveform:
Load:
Voltage Control:
Vcont Trim.
Harmonics:
Phase Noise: 10Hz offset
100Hz offset
1kHz offset
10kHz offset
Aging:
10 MHz to 30 MHz
±1.5ppm
±2.5ppm
-20°C to 80°C
-40°C to 90°C
3.0V ±10%
1.2mA Typical, 2mA Max
0.8Vp-p Min
Clipped Sine
6-15 kohm // 2-10pF
1.5V ± 1.0V
±4ppm Min, ±12ppm Max
-12 dBC Max
-83 dBc/Hz Max
-115 dBc/Hz Max
-135 dBc/Hz Max
-140 dBc/Hz Max
1ppm Max per year
Designed to meet today's
requirements for precision
operation and small layout
applications. Temperature
compensation is accomplished
through digital technology.
Standard packaging is 1k
tape and reel.
Dimensions inches (mm)
All dimensions are Max unless otherwise specified.
0.197 ±0.008
(5.0 ±0.2)
CRYSTEK
Freq XXXX
0.126 ±0.008
(3.2 ±0.2)
Denotes pad 1
XXXX=Date Code
0.061
(1.55)
Max
#1 #2
#4 #3
0.102
(2.6)
PWR
Supply
mA
M
VM
TEST CIRCUIT
0.1µF
pin 4
pin 3
Vdd
OUT
Bypass
Cap.
OSC.
Vcont
GND
10K
pin 1
pin 2
ohm
Oscilloscope
3pF Frequency
Counter
10pF
SUGGESTED PAD LAYOUT
0.067
(1.7)
0.055
(1.4)
0.055
(1.4)
0.090
(2.3)
0.150
(3.8)
0.1uF Bypass Capacitor Recommended
PIN
Function
1
Vcont
2
GND
3
OUT
4
VDD
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
Crystek Part Number Guide
Part Number
CVT32-Frequency
Frequency Stability
± 2.5ppm
Example: P/N CVT32-19.680MHZ = 3.0V Input Voltage
±1.5ppm Calibration Tolerance
±2.5ppm Frequency Stability
-20°C to 80°C Operating Temp.
Volt. Trim, Clipped Sinewave
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.
Note* Not Recommended for ultrasonic wash
Specifications subject to change without notice.
TD-030301 Rev. J
CRYSTEK
CORPORATION
12730 Commonwealth Drive • Fort Myers, Florida 33913
Phone: 239-561-3311 • 800-237-3061
Fax: 239-561-1025 • www.crystek.com