EURO QUARTZ OCXO - OC14T33A SERIES AT-Cut Crystal - Square Wave - 3.3 Volts · For high stability STRATUM 2 applications Low Jitter <±0.6ppm overall frequency tolerance over 15 years Full size 14 pin dual-in-line package Supply Voltage 3.3 Volts AT-Cut Crystal EFC (Voltage control) as standard OUTLINE & DIMENSIONS DESCRIPTION OC14T33A series oven-controlled crystal oscillators are intended for Stratum 2 applications requiring low jitter and tight stability <0.6ppm overall frequency tolerance over 15 years. SPECIFICATION Crystal Cut: Output Waveform: Supply Voltage: Frequency Range: Initial Calibration Tolerance: Frequency Stability over 0° to +60°C: over -20° to +70°C: over -40° to +85°C: vs. Voltage Change: vs. Ageing: vs. Load Change: Warm-up Time: Voltage Control Control Voltage Centre: Freq. Deviation Range: Control Voltage Range: Transfer Function: Input Impedance: EFC Linearity: Power Dissipation: AT-cut Square Wave +3.3 VDC ±0.15V 1.25MHz to 100.0MHz ±0.5ppm maximum ±0.2ppm typical ±0.075ppm available ±0.3ppm typical ±0.15 available ±0.5ppm typical ±0.25ppm available <0.1ppm for ±0.15V change ±0.7ppm first year <±4ppm over 10 years <0.01ppm for ±5% change TEST CIRCUIT 5 minutes maximum +1.65 Volts (VCON) ±4.0ppm min., ref. to 25°C 0V to +3.3Volts Positive: Increasing control voltage increases output frequency. 47k minimum ±10% maximum 1.5W max. at steady state 2.5W max. at turn on PART NUMBER FORMAT Output Load: Output Logic HIGH: Output Logic LOW: Duty Cycle: Rise/Fall Time: Envionmental Storage Temperature: Shock: Vibration: PHASE NOISE (at 10MHz) Offset 1Hz 10Hz 100Hz 1kHz 10kHz dBc/Hz -80 -110 -135 -145 -150 10 LS or 47pF +2.8V minimum 0.4V maximum 50%±10% 7ns max (20%~80%) Frequency dependant -65° to +125°C 2000g, 0.3ms ½ sine 10 ~2000Hz / 10g Example: OC14GT33A-10.000-0.15/-20+70 OCXO Package: OC14 RoHS Compliance G: RoHS Compliant Blank: Non-compliant T: Output Squarewave 33: Supply Voltage 3.3Volts A: AT-Cut Crystal Nominal Frequency 10.0MHz Stability in ppm Operating Temperature Range °C Lowest Temperature/Highest Temperature EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 Email: [email protected] www.euroquartz.co.uk