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VT-501
Temperature Compensated Crystal Oscillator Previous Vectron Model VTD3
VT-501
Description
Vectron's VT-501 Temperature Compensated Crystal Oscillator (TCXO) is a quartz stabilized, CMOS output, analog temperature compensated oscillator, operating off either 3.3 or 5.0 volt supply, 9.9x11.8 FR4 board with a nickel cover.
Features
* * * * * * CMOS Output Output Frequencies to 61.440 MHz Fundamental Crystal Design Optional VCXO Function available Gold over nickel contact pads Hermetically Sealed Ceramic SMD package * * * * *
Applications
Wireless Communications Base Stations Point to point radios Broadband Access Test Equipment
* Product is compliant to RoHS directive and fully compatible with lead free assembly
Block Diagram
VDD Crystal Output
Analog Temperature Comp.
Vcontrol or NC
Gnd
Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * http://www.vectron.com
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Performance Specifications Specifications
Table 1. Electrical Performance Parameter
Output Frequency Supply Voltage
1
Symbol
fO VDD IDD TOP
Min.
8
Typ
+3.3 or +5.0
Max
61.440 15 24
Units
MHz V mA C ppm ppm ppm ppm ppm/yr ppm V kohm V V mA mA pF % dBc/Hz
Supply Current, 8-22MHz >22MHz Operating Temperature, ordering option Stability Over TOP, ordering option Initial Accuracy, "No Adjust" Option Power Supply Stability Load Stability Aging Pull Range Control Voltage to reach Pull Range, 5V 3.3V option Control Voltage Impedance Output Level Output High Output Low Output High Drive Output Low Drive Output Load Duty Cycle Phase Noise, 10.000MHz 10Hz 100Hz 1kHz 10kHz 100kHz Start Up Time
2
0/55, -10/60, -20/70, -30/80, -40/85 1.0, 1.5, 2.0, 2.5, 3.0, 4.0, 5.0 2.0 1.0 0.3 1.0
TPR 0.5 0.3 100 VOH VOL IOH IOL 0.9*VDD
5, 8, 10, 12, 15 4.5 3.0
0.1*VDD -4 4 15 40/60 -107 -138 -148 -152 -154 10
ms
1. The VT-501 power supply pin should be filtered, eg, a 0.1 and 0.01uf capacitor 2. The Output is DC coupled 3. Duty Cycle is On Time/Period, see Figure 2. Test Circuit is shown in Figure 1.
Outline Drawing
9.9 1.30.1
Description
0.7
Recommended Pad Layout
1.9
7.62 Frequency Date Code 1.4 11.8 7.62 1.20.1 8.4 Dimensions in mm 2.2
1.4
Table 2. Pinout Pin #
1 2 3 4
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Symbol
VC GND fo VDD
Function
TCXO Control Voltage or Ground Electrical and Lid Ground Output Frequency Supply Voltage
Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * http://www.vectron.com
Test Circuit
tR VOH 4 + VDD .1F .01F IC VC 1 + Period 3 2 15pF On Time 50% VOL tF
IDD
Figure 1 Test Circuit
Figure 2 Duty Cycle, On Time/Period
Phase Noise and Alan Deviation Plot
Figure 3 Phase Noise Plot for a 10.000MHz output
Figure 4 Alan Deviation Plot for a 10.000MHz output
VCXO Function
S
VCXO Feature: The VT-501 can be ordered with a VCXO function for applications were it will be used in a PLL, or the output frequency needs fine 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 floating on the VCXO optional device.
"No Adjust" Option: In applications were the VT-501 will not be used in a PLL , or the output frequency does not need fine tune adjustments, the best device to use would be a VT-501-xxx-xxx0. By using the "no adjust" option, the circuit is simplified 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.
Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * http://www.vectron.com
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Maximum Ratings
S
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 affect device reliability.
Although ESD protection circuitry has been designed into the VT-501, 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 define 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. The
Reliability
Table 3. Maximum Ratings Parameter
Storage Temperature Supply Voltage Control Voltage ESD, Human Body Model ESD, Charged Device Model
Symbol
TSTORE VDD VC
Rating
-40/85 7 0/VDD 1000 500
Unit
C V V V V
Table 4. Environmental Compliance Parameter
Mechanical Shock Mechanical Vibration Temperature Cycle Solderability Fine and Gross Leak Resistance to Solvents Moisture Sensitivity Level Contact Pads
Condition
MIL-STD-883 Method 2002 MIL-STD-883 Method 2007 MIL-STD-883 Method 1010 MIL-STD-883 Method 2003 MIL-STD-883 Method 1014 MIL-STD-883 Method 2015 MSL1 Gold over Nickel
S
Suggested IR Profile Devices are built using lead free epoxy and can be subjected to standard lead free IR reflow conditions shown in Table 5. Contact pads are gold over nickel and lower maximum temperatures can also be used, such as 220C.
Table 5. Reflow Profile Parameter
PreHeat Time
Symbol
ts Ts-min Ts-max RUP tL t25-PEAK tP tP2 RDN
Value
200 sec Max 150C 200C 3C/sec Max 150 sec Max 480 sec Max 10 sec Max 60 sec Max 6C/sec Max
Ramp Up Time above 217C Time to Peak Temperature Time at 260C Time at 240C Ramp down
Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * http://www.vectron.com
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IR Reflow
Tape & Reel
Table 6. Tape and Reel Information Tape Dimensions (mm)
W 24 F 11.5 Do 1.5 Po 4 P1 16 A 330 B 2
Reel Dimensions (mm)
C 13 D 21 N 80 W1 24.4 W2 28.4 #/Reel 1000 or 2000
Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * http://www.vectron.com
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Ordering Information Ordering Information
Table 7. Standard Frequencies (MHz)
8.750 14.318180 20.000 32.7680 61.440 9.83040 14.400 21.400 37.800 62.880 10.000 15.360 24.9770 38.400 10.230 16.3840 25.1658240 44.000 11.000 16.800 25.600 44.7360 12.28880 18.4140 26.880 46.000 12.3520 19.200 27.000 46.080 12.500 19.440 30.080 48.000 12.800 19.6608 30.720 50.000 13.000 19.680 32.000 56.000
VT-501- E A G - 206 A - xxMxxxxxxx
Frequency in MHz Product TCXO Package 9.9x11.8 FR4 Voltage Options D: +5.0 Vdc 5% E: +3.3 Vdc 5% Output A: CMOS Temp Range R: 0 /55C K: -10/60C J: -20/70C G: -30/80C E: -40/85C Tuning 0: Fixed, No tuning A: 5ppm B: 8ppm C: 10ppm D: 12ppm E 15ppm Stability 106: 1ppm 156: 1.5ppm 206: 2.0ppm 256: 2.5ppm 306: 3.0ppm 356: 3.5ppm 406: 4.0ppm 506: 5.0ppm
*Note: not all combination of options are available. Other specifications may be available upon request.
Example: VT-501-EAG-206A-19M2000000
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
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: 01/10/2009
Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * http://www.vectron.com
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