EURO QUARTZ G326 VCXO 3.2 x 2.5 x 1.0mm 6 pad SMD CMOS 1.0MHz ~ 50.0MHz Micro-miniature 6 pad SMD package VCXO Frequency range 1.0MHz to 50.0MHz CMOS/TTL Output Supply Voltage 1.8V, 2.5V, or 3.3V or 5.0VDC Integrated Phase Jitter 200fs typical Fundamental mode crystals for best phase noise performance Page 1 of 2 SUPPLY VOLTAGE DEPENDENT SPECIFICATION Model: 'G' Series Input Voltage: Frequency Range*: Vdd = +1.8VDC±5% Vdd = +2.5VDC±5% Vdd = +3.3VDC±5% Vdd = +5.0VDC±10% 6.0MHz ~ 50.0MHz 1.0MHz ~ 50.0MHz 1.0MHz ~ 50.0MHz 1.0MHz ~ 50.0MHz Output Wave Form: CMOS/TTL Initial Freq. Accuracy Tune with Vc = 0.9V±0.15V 1.62V minimum Output Logic High '1' Tune with Vc = 1.25V±0.2V Tune with Vc = 1.65V±0.2V 2.25V minimum 2.97V minimum Tune with Vc = 2.5V±0.2V 4.5V minimum 0.33V maximum Standard ±80ppm min. 1.65 VDC 0.3V to 3.0V 0.5V maximum Standard ±80ppm min. 2.5 VDC 0.5V to 1.5V Output Logic Low '0' 0.183V maximum 0.25V maximum Frequency Deviation Range: Standard ±80ppm min. Standard ±80ppm min. Control Voltage Centre: 0.9VDC 1.25VDC Control Voltage Range: 0.0V to 1.8V 0.25V to 2.25V OUTLINE AND DIMENSIONS GENERAL SPECIFICATION Frequency Stability: Output Load TTL: CMOS: 2 TTL gates 15pF TTL: 6ns max., 4ns typical Measured between 0.4V to 2.4V 6ns max., 4ns typical Measured between 20% to 80% of wave form, (CL = 15pF) 50%±10% standard, 50%±5% is available, add 'S' to part number 200fs max. (12kHz to 20MHz) 10ms max., 5ms typical 10~45mA, freq. dependant e.g. 27MHz: 10mA @ 3.3V 27MHz: 20mA @5.0V 6% typical, 10% max. 10kHz min. Measured at -3dB with V control at 1.65V or 2.5V 1MΩ typical Monotonic and positive (An increase of control voltage increases output frequency.) ±3ppm per year max. Rise/Fall Times CMOS: Duty Cycle: Integrated Phase Jitter: Start-up Time: Current Consumption: Linearity: Modulation Bandwidth: Input Impedance: Slope Polarity: Ageing: Tri-state Enable high: Disable: No connection or VDD-0.5V min. is applied to Tri-state pin to enable. Ground +0.5V max. disables output. (High impedance) FREQUENCY STABILITY OVER TEMPERATURE* Frequency Stability over ±25ppm Operating Temp. Range** PHASE NOISE Commercial -10° to +70°C Industrial -40 to +85°C Characteristics typical of 27MHz, +3.3V supply. Offset 10Hz 100Hz 1kHz 10kHz 100kHz 1MHz dBc/Hz -83 -115 -138 -151 -153 -159 A D ±50ppm ±100ppm B E C F EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 [email protected] www.euroquartz.co.uk EURO QUARTZ G326 VCXO 3.2 x 2.5 x 1.0mm 6 pad SMD CMOS 1.0MHz ~ 50.0MHz Page 2 of 2 TRANSFER FUNCTION Typical response of 3G326-C-150N-27.000 (at 25°C, positive transfer) PART NUMBER SCHEDULE Example: 3G326B-100N-27.000 Supply Voltage 18 = +1.8V 25 = +2.5V 3 = +3.3V 5 = +5.0 V Frequency MHz Series Designator G326 Stability over temperature range A = ±25ppm over -10° to +60°C B = ±50ppm over -10° to +60°C C = ±100ppm over -10° to +60°C D = ±25ppm over -40° to +85°C E = ±50ppm over -40° to +85°C F = ±100ppm over -40° to +85°C Pullability ±ppm Pullability determinator N = minimum M = maximum T = Typical EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 [email protected] www.euroquartz.co.uk