CFPT-127
ISSUE 2 ; 16 JANUARY 2006
Delivery Options
■
Please contact our sales office for details
Package Outline
5.0 x 3.2 x 1.6mm SMD (surface mount device)
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Environmental Specification
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Storage Temperature Range -55 to 125°C
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Vibration: IEC 60068-2-6 Test Fc Procedure B4, 10-60Hz
1.5mm displacement, at 98.1 m/s2, 30 minutes in each
of three mutually perpendicular axes at 1 octave per minute
Shock: IEC 60068-2-27 Test Ea, 980 m/s2 acceleration for
6ms duration, 3 shocks in each direction along three
mutually perpendicular axes
Solderability: MIL-STD-202, Method 208, Category 3
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Description
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CFPT-127 is a lead free surface mount temperature
compensated crystal oscillator (TCXO) providing a
high degree of frequency stability over a wide temperature
range and is suitable for GPS applications.
Supply Voltage
■
3V ± 10%
Frequency Stability
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Temperature ±0.5ppm ( code E)
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Supply Voltage Variation ±0.2ppm
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Load Variation (10kΩ // 10pF) ±0.2ppm
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After Reflow ±1.0ppm
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Outline in mm
5.0±0.2
CMAC xx
EX 163 yw
Pad
1.
2.
3.
4.
Function
Do Not Connect
GND
Output
+Vs
3.2±0.2
1.8max
SURFACE MOUNT
TCXOs
Supply Current
■
2mA @ 20MHz typical
Output Compatibility
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Clipped Sinewave DC-Coupled
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10kΩ // 10pF
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Level > 0.8 Vpk-pk
Ageing
±1ppm / year typical in 1st year @ 25°C
10nF
10nF
2.5
1
1.3
3.6
4.5
2
0.4
Operating Temperature Range
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-40 to 85°C (code X)
4
3
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Standard Frequencies (MHz)
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16.32, 16.8, 19.2, 24.5535, 26.0, 33.6MHz
Other frequencies may be available, please contact our
sales office.
Marking
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CMAC and Batch Code
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Stab/Temp code + Frequency Code + Date Code
Minimum Ordering Information Required
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Frequency + Model Number (Example 24.5535MHz CFPT-127)
Manufacturing Information
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Soldering: SMD product suitable for Convection Reflow
soldering. Peak temperature 260°C. Maximum time above
220°C, 60 secs.
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Washing: Able to withstand aqueous washing process.
Packaging: Tape and reel, details available on request.
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Test Circuit
1.2
1.0
+Vs
Output
10nF
4
1
3
2
*
10kΩ
GND
*10kΩ
//
10pF (Clipped Sinewave), inclusive of probe
and jig capacitance.