VFTX250 TCXO - Ultra Low Power 2.5x2.0mm SMD, Clipped Sine wave Features 10 - 52 MHz Frequency Range 2.8V or 2.5V Supply Voltage Low power consumption TCXO and VCTCXO models available RoHS Status Applications Portable Communications GPS Electrical Specifications Parameter Symbol Frequency Range F Condition Min vs. Temperature vs. Supply Voltage (5%) Frequency Stability Operating Temperature F/F Max Unit 10 52 MHz 0.5 2.5 ppm vs. Load (10%) 0.2 Aging 1.0 -40 25 C 1 hour after reflow Supply Voltage VDD Supply Current Icc 2.66 2.375 10MHz Fo < 26MHz 26MHz Fo 52MHz Control Voltage 0.4 VCTCXO models only Input Impedance 2.8 2.5 Note Ref. to +25C frequency 0.2 T Tolerance Pull Range Typ See "How to Order chart for available options ppm/yr See "How to Order" chart for available options +85 C 2.0 ppm 2.94 2.625 V Order Code L Order Code G 2.0 2.5 mA Max Current across entire temp range 2.4 V 5 ppm 500 K Ref. to nominal frequency 75 South Street, Hopkinton, MA 01748 * 800-982-5737 * 508-435-6831 * FAX 508-435-5289 * www.valpeyfisher.com * RevB0611 1 VFTX250 TCXO - Ultra Low Power 2.5x2.0mm SMD, Clipped Sine wave Electrical Specifications Parameter Symbol Condition Min Typ Max Unit Clipped sine wave Load: 10 K // 10pF Output 0.8 Level Vp-p 100Hz 1KHz 10KHz Phase Noise Note DC cut Capacitor required -115 -135 -148 dBc/Hz 2 Start up time @ 19.2MHz ms How to Order VFTX250 -- -- Frequency Stability Code Output L 0.5ppm K 1.0ppm J 1.5ppm H 2.0ppm G 2.5ppm Temp. Range Code Output A 0C ~ +50C C -10C ~ +60C D -20C ~ +70C F -30C ~ +85C G -40C ~ +85C FREQUENCY, MHz Supply Voltage Code Output G 2.5V L 2.8V Available Frequency Stabilities over Operating Temperature Ranges Code Temperature Range 0.5ppm 1.0ppm 1.5ppm 2.0ppm 2.5ppm A 0C to +50C C -10C to +60C D -20C to +70C F -30C to +85C G -40C to +85C * Available case by case 75 South Street, Hopkinton, MA 01748 * 800-982-5737 * 508-435-6831 * FAX 508-435-5289 * www.valpeyfisher.com * RevB0611 2 VFTX250 TCXO - Ultra Low Power 2.5x2.0mm SMD, Clipped Sine wave Environmental and Mechanical Parameter Mechanical Shock Thermal Shock Specification Per MIL-STD-202, Method 213, Condition E Per MIL-STD-883, Method 1011, Condition A Vibration Per MIL-STD-883, Method 2007, Condition A Soldering Conditions Hermetic Seal 260C for 10s max Leak rate less than 5x10-8 atm.cc/s of helium Storage Temperature -55C to +125C Bottom View Top View Pin # 1 2 3 4 Connection Vc (VCTCXO models) GND (TCXO models) GND Output* VDD * Note: DC cut capacitor (series blocking capacitor) required at OUTPUT. 150pF NPO recommended. 75 South Street, Hopkinton, MA 01748 * 800-982-5737 * 508-435-6831 * FAX 508-435-5289 * www.valpeyfisher.com * RevB0611 3