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| CFPT-126 ISSUE 1 ; 7 JANUARY 2005 Delivery Options I Please contact our sales office for details Package Outline 7.0 x 5.0 x 2.0mm SMD (surface mount device) Environmental Specification I Storage Temperature Range -55 to 125C I I Vibration: IEC 60068-2-6 Test Fc Procedure B4, 10-60Hz 1.5mm displacement, at 98.1 ms-2, 30 minutes in each of three mutually perpendicular axes at 1 octave per minute Shock: IEC 60068-2-27 Test Ea, 980ms-2 acceleration for 6ms duration, 3 shocks in each direction along three mutually perpendicular axes Solderability: MIL-STD-202, Method 208, Category 3 Description I CFPT-126 is a surface mount temperature compensated voltage controlled oscillator (TCVCXO) providing a high degree of frequency stability over a wide temperature range Supply Voltage 3.3V 5% I I I Frequency Stability I Temperature 0.5ppm ( code E) I Supply Voltage Variation 0.3ppm * I Load Variation (15pF 10%) 0.2ppm I After Reflow 1.0ppm * Supply Voltage Variation : >30.0MHz to <40.0MHz, 0.4ppm SURFACE MOUNT TCXOs Outline in mm 7.00.15 0.6 2.0 Operating Temperature Range I -40 to 85C (code X) Supply Current I 3mA @ 20MHz typical Output Compatibility I HCMOS I Load: 15pF nom. I Vol: <10% Vsupply I Voh: >90% Vsupply I Duty Cycle: 45/55% I Rise Time: 8ns I Fall Time: 8ns Ageing I 1ppm / year typical in 1st year @ 25C Standard Stock Frequencies (MHz) I 10, 12.8, 13.0, 16.384, 19.44, 20.0, 26.0, 32.768 40.0MHz Other frequencies may be available, please contact our sales office. Frequency Adjustment I >5ppm by means of 1.651V control voltage Marking I CMAC and Batch Code I Pad Connections 1. Voltage Control 2. GND 3. Output 4. +Vs T1, T2, T3, T4, Do Not Connect 5.08 0.79 1 T4 4 1.04 T1 T2 T3 3 2 0.9 1.4 Solder pad layout 5.08 2.0 1.2 1.5 Output Waveform tf 90% (VoH-VoL) tr 4.20 5.00.15 +Vs VoH 50% (VoH-VoL) 10% (VoH-VoL) 0V T Duty cycle = t x 100(%) T Stab/Temp code + Frequency Code + Date Code Minimum Ordering Information Required I Frequency + Model Number (Example 10.0MHz CFPT-126) VoL t Manufacturing Information I Soldering: SMD product suitable for Convection Reflow soldering. Peak temperature 260C. Maximum time above 220C, 60 secs. I Test Circuit +Vs Washing: Able to withstand aqueous washing process. Packaging: Tape and reel, details available on request. 0.1F 4 1 Voltage Control 3 2 Output I 15pF* GND * inclusive of probe and jig capacitance SURFACE MOUNT TCXOs |
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