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CVT32 Datasheet, PDF (1/1 Pages) Crystek Corporation – Temperature Compensated Crystal Oscillator Voltage Trim 3.2X5 mm SMD, 3V, TCVCXO
CVT32 Model
3.2X5 mm SMD, 3V, TCVCXO
Temperature Compensated
Frequency Range:
10MHz to 30MHz
Crystal Oscillator
Calibration Tolerance:
Frequency Stability:
Temperature Range:
Storage:
Input Voltage:
±1.5ppm
±2.5ppm
-20°C to 80°C
-40°C to 90°C
3.0V ± 10%
LeaCRdooFmHrpeSleiant
Voltage Trim
Input Current:
Output:
Waveform:
Load:
Voltage Control:
Vcont Trim.
Harmonics:
Phase Noise:
1.2mA Typ., 2mA Max
0.8Vp-p Min
Clipped Sine
6-15Kohm // 2-10pF
1.5V ± 1.0V
±4ppm Min, ±12ppm Max
-12 dBC Max
-83 dBc/Hz Max 10Hz offset
-115 dBc/Hz Max 100Hz offset
-135 dBc/Hz Max 1KHz offset
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.
-140 dBc/Hz Max 10KHz offset
Aging:
1ppm Max / yr
Dimensions inches (mm)
All dimensions are Max unless otherwise specified.
0.197 ±0.008
(5.0 ±0.2)
P/N DC
Freq
0.126 ±0.008
(3.2 ±0.2)
Denotes pad 1
0.061
(1.55)
Max
#1 #2
#4 #3
0.102
(2.6)
SUGGESTED PAD LAYOUT
0.067
(1.7)
0.055
(1.4)
0.055
(1.4)
0.150
(3.8)
0.090
(2.3)
.1uF Bypass Capacitor Recommended
+
PWR
Supply
+A
Bypass
Cap.
0.1uF
Oscilloscope
#4
#3
OSC.
#1
#2
Vcont
3pF
Frequency
Counter
10K
ohm
10pF
PIN Function
1
V cont
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
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.
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
Note* Not Recommended for ultrasonic wash
Specifications subject to change without notice. TD-030301 Rev. F