Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
VT-800
Temperature Compensated Crystal Oscillator
Previous Vectron Model VTC4
Vectron’s VT-800 Temperature Compensated Crystal Oscillator (TCXO) is a quartz stabilized, clipped sine wave output,
temperature compensated oscillator, operating o either 2.8, 3.0, 3.3 or 5.0 volt supply, hermetically sealed 3.2x5 ceramic
package.
Clipped Sine Wave Output•
Output Frequencies to 40 MHz •
Fundamental Crystal Design •
Optional VCXO Function available•
Gold over nickel contact pads •
Hermetically Sealed Ceramic SMD package•
Product is compliant to RoHS directive •
and fully compatible with lead free assembly
Wireless Communications•
Base Stations•
Point to point radios•
Broadband Access•
Test Equipment•
Handsets•
Features Applications
Block Diagram
Description
VT-800
Page1
VDD Output
Vcontrol or NC Gnd
Analog
Temperature
Comp.
Crystal
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Description
Page2
Performance Speci cations
Table 1. Electrical Performance
Parameter Symbol Min. Typ Max Units
Output Frequency, +5V option
+2.8, +3.0, +3.3V options
fO10
10
27
40
MHz
Supply Voltage1VDD +2.8, +3.0, +3.3 or +5.0 V
Supply Current, 8 to 14.999MHz
15.000 to 25.9999MHz
26.000 to 40.000MHz
IDD 1.5
2.0
2.5
mA
Operating Temperature, ordering option TOP 0/55, -10/60, -20/70, -30/80, -40/85 °C
Stability Over TOP, ordering option ±0.5, ±1.0, ±.5, ±2.0, ±2.5, ±3.0, ±4.0, ±5.0 ppm
Initial Accuracy, “No Adjust” Option ±1.0 ppm
Power Supply Stability ±0.2 ppm
Load Stability ±0.2 ppm
Aging ±1.0 ppm/yr
Pull Range, ordering option TPR ±5, ±8, ±10, ±12 ppm
Control Voltage to reach Pull Range 0.5 2.5 V
Control Voltage Impedance 1 Mohm
Output Level2VO p/p 0.8 V
Output Load 10K II 10pF
Phase Noise, 10.000MHz
10Hz
100Hz
1kHz
10kHz
100kHz
-91
-116
-137
-149
-150
dBc/Hz
Start Up Time 10 ms
1. The VT-800 power supply pin should be  ltered, eg, a 0.1 and 0.01uf capacitor
2. The Output is DC coupled
Table 2. Pinout
Pin # Symbol Function
1V
CTCXO Control Voltage or Ground
2 GND Electrical and Lid Ground
3f
oOutput Frequency
4V
DD Supply Voltage
Dimensions in mm
Dimensions in mm
Speci cations
Outline Drawing Recommended Pad Layout
1.4
2.3
3.8
1.1
Frequency
Date Code
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Page3
VCXO Feature: The VT-800 can be ordered with a VCXO function for applications were it will be used in a PLL, or the output
frequency needs  ne tune or calibration adjustments. This is a high impedance input , 1Mohm, and can be driven with an op-amp
or terminated with adjustable resistors etc. Pin 1 should not be left  oating on the VCXO optional device.
“No Adjust” Option: In applications were the VT-800 will not be used in a PLL , or the output frequency does not need  ne tune
adjustments, the best device to use would be a VT-800-xxx-xxx0. By using the “no adjust” option, the circuit is simpli ed as Vc
does not need to be adjusted or set to a predetermined voltage and pin 1 should be grounded (pin 1 can be left open but should
not be set to a voltage such as an RF signal or power supply voltage.
S
VCXO Function
Clipped Sine Wave Output Phase Noise for a Clipped Sinewave Output
Maximum Ratings
Absolute Maximum Ratings and Handling Precautions
Stresses in excess of the absolute maximum ratings can permanently damage the device. Functional operation is not implied or any other
excess of conditions represented in the operational sections of this data sheet. Exposure to absolute maximum ratings for extended
periods may adversely a ect device reliability.
Although ESD protection circuitry has been designed into the VT-800, proper precautions should be taken when handling and mounting,
VI employs a Human Body Model and Charged Device Model for ESD susceptibility testing and design evaluation.
ESD thresholds are dependent on the circuit parameters used to de ne the model. Although no industry standard has been adopted for
the CDM a standard resistance of 1.5kOhms and capacitance of 100pF is widely used and therefor can be used for comparison purposes.
S
Table 3. Maximum Ratings
Parameter Symbol Rating Unit
Storage Temperature TSTORE -55/125 ºC
Supply Voltage VDD 6V
Control Voltage VC0/VDD V
ESD, Human Body Model 1500 V
ESD, Charged Device Model 1000 V
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Page4
Reliability
The
Table 4. Environmental Compliance
Parameter Condition
Mechanical Shock MIL-STD-883 Method 2002
Mechanical Vibration MIL-STD-883 Method 2007
Temperature Cycle MIL-STD-883 Method 1010
Solderability MIL-STD-883 Method 2003
Fine and Gross Leak
Fine and Gross Leak MIL-STD-883 Method 1014
Resistance to Solvents MIL-STD-883 Method 2015
Moisture Sensitivity Level
Moisture Sensitivity Level MSL1
Contact Pads Gold over Nickel
Table 5. Re ow Pro le
Parameter Symbol Value
PreHeat Time
Ts-min
Ts-max
ts200 sec Max
150°C
200°C
Ramp Up RUP 3ºC/sec Max
Time above 217C tL150 sec Max
Time to Peak Temperature t25C to peak 480 sec Max
Time at 260C
Time at 260C tP10 sec Max
Time at 240C tP2 60 sec Max
Ramp down
Ramp down RDN 6ºC/sec Max
Suggested IR Pro le
Devices are built using lead free epoxy and can be subjected to standard lead free IR re ow conditions shown in Table 5. Contact pads are
gold over nickel and lower maximum temperatures can also be used, such as 220C.
S
IR Re ow
Tape & Reel
Table 6. Tape and Reel Information
Tape Dimensions (mm) Reel Dimensions (mm)
W F Do Po P1 A B C D N W1 W2 #/Reel
16 7.5 1.5 4 8 180 1.5 13 20.2 60 16.4 20.4 1000
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Page5
Table 7. Standard Frequencies (MHz)
10.000 10.245 12.504 12.800 13.000 13.568 14.000 14.31818 14.4844 14.7456
15.000 16.000 16.325291 16.36625 16.367667 16.3683 16.396 16.800 17.500 18.414
19.200 19.440 19.6608 19.680 19.800 20.000 20.910 21.250 23.104 24.000
24.5454 24.5535 24.576 25.000 25.600 26.000 27.000 27.456 28.800 32.768
40.000
Ordering Information
Disclaimer
Vectron International reserves the right to make changes to the product(s) and or information contained herein without notice. No liability is assumed as a result of their use or application.
No rights under any patent accompany the sale of any such product(s) or information.
Rev: 1/10/2009
For Additional Information, Please Contact
USA:
Vectron International
267 Lowell Road
Hudson, NH 03051
Tel: 1.888.328.7661
Fax: 1.888.329.8328
Europe:
Vectron International
Landstrasse, D-74924
Neckarbischofsheim, Germany
Tel: +49 (0) 3328.4784.17
Fax: +49 (0) 3328.4784.30
Asia:
Vectron International
1F-2F, No 8 Workshop, No 308 Fenju Road
WaiGaoQiao Free Trade Zone
Pudong, Shanghai, China 200131
Tel: 86.21.5048.0777
Fax: 86.21.5048.1881
VT-800- E F G - 206A- xxMxxxxxxx
Product
TCXO
Voltage Options
D: +5.0 Vdc ±5%
E: +3.3 Vdc ±5%
F: +3.0 Vdc ±5%
G: +2.8 Vdc ±5%
Output
F: Clipped Sine Wave
Stability
507: ±0.5ppm
106: ±1ppm
156: ±1.5ppm
206: ±2.0ppm
256: ±2.5ppm
306: ±3.0ppm
356: ±3.5ppm
406: ±4.0ppm
506: ±5.0ppm
Frequency in MHz
*Note: not all combination of options are available.
Other speci cations may be available upon request.
Temp Range
R: 0 /55°C
K: -10/60°C
J: -20/70°C
G: -30/80°C
E: -40/85°C
Tuning
0: Fixed, No tuning
A: ±5ppm
B: ±8ppm
C: ±10ppm
D: ±12ppm
Package
3.2x5 Ceramic
Example: VT-800-EFG-206A-26M0000000