CVT32 - Crystek

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.
SUGGESTED PAD LAYOUT
Dimensions inches (mm)
All dimensions are Max unless otherwise specified.
0.067
(1.7)
0.197 ±0.008
(5.0 ±0.2)
CRYSTEK
Freq XXXX
#1
0.126 ±0.008
(3.2 ±0.2)
0.061
Max
(1.55)
#2
0.055
(1.4)
#4
#3
0.090
(2.3)
0.055
(1.4)
0.150
(3.8)
0.102
(2.6)
Denotes pad 1
XXXX=Date Code
0.1uF Bypass Capacitor Recommended
TEST CIRCUIT
0.1µF
mA
M
pin 4
pin 3
Vdd
PWR
Supply
VM
Bypass
Cap.
3pF
OUT
OSC.
Vcont
pin 1
GND
pin 2
10K
ohm
RECOMMENDED REFLOW SOLDERING PROFILE
TEMPERATURE
Ramp-Up
3°C/Sec Max.
260°C
Critical
Temperature Zone
Ramp-Down
6°C/Sec.
Oscilloscope
PIN
Function
Frequency
Counter
1
2
3
4
Vcont
GND
OUT
VDD
10pF
Crystek Part Number Guide
Part Number
Frequency Stability
CVT32-Frequency
± 2.5ppm
217°C
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
200°C
150°C
Preheat
180 Secs. Max.
8 Minutes Max.
90 Secs. Max.
Note* Not Recommended for ultrasonic wash
260°C for
10 Secs. Max.
NOTE: Reflow Profile with 240°C peak also acceptable.
CRYSTEK
CORPORATION
Specifications subject to change without notice.
TD-030301 Rev. J
12730 Commonwealth Drive • Fort Myers, Florida 33913
Phone: 239-561-3311 • 800-237-3061
Fax: 239-561-1025 • www.crystek.com