Temperature Compensated Crystal Oscillators
Description
Product Data Sheet
TC-350 Series Low Profile TCXO’s
Temperature Compensated Crystal Oscillators
Features
• Frequency from 1 to 77.
76 MHz • ±1.
0 ppm, -40°C to +85°C • Low Profile: 3.
81 mm (0.
15”) Ht.
• Aging <5 ppm for Ten Years • 3.
3 Vdc or 5 Vdc operation • TTL/HCMOS Output
Applications
• SMC Clock • SONET/SDH Network Timing Sources • Wireless Communications • Satellite Communications • Portable Test Equipment
Description
Vectron International has introduced a series of low profile surface mount, Temperature Compensated Crystal Oscillators (TCXO’s) available in frequencies from 1 to 77.
76 MHz.
The TC-350 series surface mount TCXO can be mounted using the standard convection reflow process.
Current drain to less than 5 mA is available upon request.
Aging <5 ppm for ten years.
For additional information about TCXO’s visit our website at:
www.
tcxo.
com
TC-350 Series Low Profile TCXO’s
Performance Characteristics
Parameter Characteristics
Standard Frequencies:
10.
00, 12.
80, 13.
00, 16.
384, 19.
44, 20.
00, 20.
48, 27.
00 MHz Available from 1.
0 MHz to 77.
76 MHz
Package: 22.
86 x 17.
78 x 3.
81 mm (0.
90” x 0.
70” x 0.
15”)
Supply Voltage (Vdd):
(Other options are available upon request)
Current:
C = 5.
0 Vdc ±5% D = 3.
3 Vdc ±5%
Current draw will vary greatly depending on frequency and output type.
For this series TCXO typical current draw will be about 10 mA.
Please consult the factory about your exact current requirements.
Output: A = HCMOS/ACMOS
B = 10 TTL
Voh min.
0.
8 Vdd
2.
4 Vdc
Voh max.
0.
5 Vdc
0.
5 Vdc
Rise/Fall Time: 5 ns max.
10 ns max.
Symmetry (Duty Cycle): 50% ±10%
50% ±10%
Load: 100k ohm // 10 pF
10 TTL
Temperature Stability:
Aging (typical): Frequency vs.
Supply: Electrical Frequency Adjust:
B-507 = ±5.
0 x 10-7 B-106 = ±1.
0 x 10-6 C-507 = ±5.
0 x 10-7 C-106 = ±1.
0 x 10-6 D-757 = ±7.
5 x 10-7 D-156 = ±1.
5 x 10-6 F-106 = ±1.
0 x 10-6 F-206 = ±2.
0 x 10-6 G-156 = ±1.
5 x 10-6 G-256 = ±2.
5 x 10-6
over 0°C to +50°C over 0°C to +50°C over 0°C to +70°C over 0°C...
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