CFPT-37

CFPT-37 ISSUE 2 ; 19 OCTOBER 2004 Delivery Options I Please contact our sales office for details Package Outline I7 .0 x 5.0 x 2.0mm SMD Description I CFPT-37 is a fixed frequency, surface mount, temperature compensated crystal oscillator providing a high degree of frequency stability over a wide temperature range Supply Voltage I 3.3V ± 0.3V Outline in mm Frequency Stability I Temperature ±0.9ppm I Supply Voltage Variation ±0.3ppm * I Load Variation ±0.2ppm I After Reflow ±1.0ppm I Calibration Tolerance @ 25°C ±1.0ppm * Supply Voltage Variation : >30.0MHz to 40.0MHz, ±0.5ppm SURFACE MOUNT TCXOs I Environmental Specification I Storage Temperature Range -55 to 125°C Vibration: IEC 60068-2-6 Test Fc Procedure B4, 10-60Hz 1.5mm displacement, at 98.1m/s2, 30 minutes in each of three mutually perpendicular axes at 1 octave per minute Shock: IEC 60068-2-27 Test Ea, 980m/s2 acceleration for 6ms duration, 3 shocks in each direction along three mutually perpendicular axes Solderability: MIL-STD-202, Method 208, Category 3 I I 7.0±0.15 0.6 2.0 Pad Connections 1.N/C 2.GND 3.Output 4.+Vs T1, T2, T3, T4 N/C 5.08 0.79 1 T4 4 1.04 T1 T2 T3 3 2 Supply Current I 3mA @ 20MHz typical Output Compatibility I HCMOS I Load: 15pF nom. I VoL: 90% Vs I Duty Cycle: 45/55% I Rise Time: 8ns I Fall Time: 8ns Ageing I ±1ppm / year typical in 1st year @ 25°C Standard Frequencies I 10, 12.8, 13.0, 14.4, 16.32,16.384, 19.44, 20.0, 26.0, 32.768, 40.0MHz Other frequencies may be available, please contact our sales office Marking I CMAC and Batch Code I 37 + Frequency Code + Date Code Minimum Ordering Information Required I Frequency + Model Number (example 10.0MHz CFPT-37) 1.4 Solder pad layout 5.08 2.0 1.2 1.5 Output Waveform tf 90% (VoH-VoL) tr +Vs VoH 4.20 5.0±0.15 50% (VoH-VoL) 10% (VoH-VoL) Operating Temperature Range I -20 to 70°C VoL t T 0.9 0V Duty cycle = t x 100(%) T Manufacturing Information I Soldering: SMD product suitable for Convection Reflow soldering. Peak temperature 260°C. Maximum time above 220°C, 60s I Test Circuit +Vs 0.1µF 4 1 Do Not Connect 3 2 Output Washing: Able to withstand aqueous washing process. Packaging: Tape and reel, details available on request. 15pF* I GND * inclusive of probe and jig capacitance SURFACE MOUNT TCXOs