8798_AA's Vectron 05/30/02 3:11 PM Page 44 Oven Controlled Crystal Oscillators (OCXO’s) OC-290 Description: Small SMD OCXO with tight stability. AT and SC-cut versions available. Features • 5 MHz, 10 MHz, 13 MHz standard. Other frequencies available from 2 to 80 MHz • Stability as low as ±5 x 10-8 over 0°C to 50°C • Aging: 1 x 10-9 per day • Package: 25.4 x 22 x 10.5 mm • Supply voltage: +3.3 or +5.0 V Performance Characteristics Parameter Frequency: Package Size: Supply Voltage (Vdd): Supply Current: Output Type: Standard Stability Options: Note: Not all stabilities are available with all frequency/output combinations. Please consult factory. Characteristic 10, 12.8, 16.384, 19.44, 20, 24.576, 20.48, 32.768, 38.88, 40 and 77.76 MHz Available from 2 MHz to 80 MHz 25.4 x 22.0 x 10.5 mm (1.0” x 0.9” x 0.42”) C = 5 Vdc +5% D = 3.3 Vdc +5% (Other supply voltages are available upon request) <5W peak at turn-on, <1.25W stabilized @ 25oC (Temp Range B & D) <5W peak at turn-on, <1.5W stabilized @ 25oC (Temp Range F) HCMOS, LVHCMOS Sinewave +0 dBm / 50 ohm 10 TTL B - 508 = +5x10-8 over 0oC to +50oC B - 758 = +7.5x10-8 over 0oC to +50oC *B - ST3 = Stratum 3 over 0oC to +50oC D - 758 = +7.5x10-8 over-20oC to +70oC D - 107 = +1.0x10-7 over -20oC to +70oC *D -ST3 = Stratum 3 over -20oC to +70oC F -107 = +1.0x10-7 over -40oC to +85oC *F -ST3 = Stratum 3 over -40oC to +85oC F -507 = +5.0x10-7 over -40oC to +85oC *STRATUM 3 per GR-1244-CORE Table 3-1 Total Stability: <4.6 x 10-6 for all causes and 10 years vs. Holdover: <3.2 x 10-7 for all causes and 24 hours vs. Temperature: <2.8 x 10-7 peak to peak Stability vs. Supply: Aging: Electrical Frequency Adjust: Initial Accuracy @ +25oC: <5 pb for a 1% change in Supply Voltage A: 1 x 10-8/day, 2x10-6/year B: 3 x 10-9/day, 1x10-6/year C: 1 x 10-9/day, 3x10-7/year N: PTR Stratum 3 10 x 10-6 typical range (with Aging A or B) 2 x 10-6 typical range (with Aging C) (with F; no frequency adjustment) +1.5 ppm max after reflow Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • Web: www.vectron.com 44 8798_AA's Vectron 05/30/02 3:11 PM Page 45 Oven Controlled Crystal Oscillators (OCXO’s) OC-290 Pad Layout Outline Drawing 3 0 . 0 .75) O R( 0.1 (2.5) Foot print for PCB Design 5 4 3 0.1 (2.5) 2 0.93 (23.5) soldering pods 0.16 (4) 5 0.41 max (10.5) 1 0.14 (3.5) Foot pr for PCB D .70 (17.8) 0.87±.01 .70±.01 (22±0.2) (17.8±0.2) 1.0±.01 (25.4±0.2) 0.93 (23.5 OCXO 5 1 2 4 3 Recommended Soldering Profile Pin Out Information 1 Control voltage VC 2 Reference voltage output VREF 3 Supply voltage VB 4 RF-output 5 Ground, case Ordering Information OC 290 C A C 508 Product Family OC = OCXO Package 290 = 25.4X22 mm SMD package Output A = HCMOS, LVHCMOS B = 10 TTL G = Sinewave C A 10.0 MHz Frequency 2 MHz to 80 MHz Input C = 5.0V +5% D = 3.3V +5% Temperature Range B - 508 = +5x10-8 over 0oC to +50oC B - 758 = +7.5x10-8 over 0oC to +50oC *B - ST3 = Stratum 3 over 0oC to +50oC D - 758 = +7.5x10-8 over-20oC to +70oC D - 107 = +1.0x10-7 over -20oC to +70oC *D -ST3 = Stratum 3 over -20oC to +70oC F -107 = +1.0x10-7 over -40oC to +85oC *F -ST3 = Stratum 3 over -40oC to +85oC F -507 = +5.0x10-7 over -40oC to +85oC Electrical Frequency Adjust A: 10 x 10-6 typical range (with Aging A or B) or 2 x 10-6 typical range (with Aging C) F: Fixed frequency. See initial accuracy. Aging A = 1 x 10-8/day, 2 x 10-6/year B = 3 x 10-9/day, 1 x 10-6/year C = 1 x 10-9/day, 3 x 10-7/year N = PTR Stratum 3 Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • Web: www.vectron.com 45

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