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| Voltage Controlled Crystal Oscillators (VCXO's) VC-480 Description: Precision 14 x 9 mm VCXO with packaged crystal. Standard footprint. Features: * * * * * Small SMD standard VCXO 2.0MHz to 51.84 MHz -20C to +70C /-40C to +85C 5V and 3.3V supply HCMOS / LVHCMOS output Performance Characteristics Parameter Frequency: Supply Voltage option D: option C: Current: Output: Rise/Fall Time tr/tf: Symmetry (Duty/Cycle): Temperature Range: Temp. stab. D - 155 -20 to +70C: F - 205 -40 to +85C: Accuracy @ +25C after reflow: Aging first year: Aging per year thereafter: Freq. vs. supply for 5% changes.: Freq. vs. load for 20% change: Deviation: Control Voltage opt. D: (3.3V sup.) opt. C: (5.0V sup.) Transfer Function: Linearity: Storage Temperature: Package Size: Lin TS -40 14.0x9.27x4.98 mm tR / tF SYM TOP FTEMP FTEMP FCAL FFIRST FAGING FSUP FLOAD FPULL VC VC -15.0 -20.0 Symbol fo VCC VCC ICC Minimum 2.0 3.135 4.75 Typical 3.3 5.0 Maximum 51.84 3.465 5.25 40.0 Units MHz V V mA ns % C ppm ppm ppm ppm ppm ppm ppm ppm V V % C HCMOS / LVHCMOS 5.0 40 -20/70, -40/85 +15.0 +20.0 +10.0 +3.0 +1.0 +5.0 +2.0 +100 3.0 4.5 positive 10 +105 60 -10.0 -3.0 -1.0 -5.0 -2.0 -100 0.0 0.5 Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * Web: www.vectron.com 16 Voltage Controlled Crystal Oscillators (VCXO's) VC-480 Outline Drawing/Pad Layout Reflow Profile VCXO Dimensions in millimeters Pin Out Information Pin 1 2 3 4 Function Control Voltage Ground, Case RF output Supply voltage +Ustell Test Circuit O V 1 +UB Oscillator A 975 Ohm 3 O 4 O 15 pF 50 Ohm Oscilloscop RE e 50 = Ohm O Counter 2 V GND O Ordering Information VC Product Family VC = VCXO Package 480 =14.0x9.27x4.98 mm 480 D A D 155 A 32.368 MHz Output Frequency 2.0 - 52.0 MHz Supply Voltage D = +3.3V +5% C = +5.0V +5% Output Type A = HCMOS/LVCMOS Stability D-155 = 15 ppm over -20oC to +70oC) F-205 = 20 ppm over -40oC to +85oC) Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * Web: www.vectron.com 17 |
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