EURO QUARTZ EQ3225 TCXO 9.6MHz to 30.0MHz 3.2 x 2.5mm SMD TCXO Ultra-miniature 3.2 x 2.5 x 1.0mm SMD package Frequency range: 9.6MHz to 30.0MHz Available with either CMOS or clipped sinewave output May be ordered as TCXO or Voltage-Controlled TCXO Supply voltage 3.3 Volts EQ3225 - OUTLINES AND DIMENSIONS DESCRIPTION EQ3225 TCXOs are packaged in an ultra-miniature 4 pad ceramic, 3.2 x 2.5mm outline SMD package. The part is available as a TCXO or as a voltage-controlled TCXO (VCTCXO). Output may be specified as either clipped sinewave or CMOS. The part has excellent phase nose characteristics and provides a stable source of clock signals over a wide operating temperature range. SPECIFICATION Product Code: EQ3225 Frequency Range: 9.6MHz to 30.0MHz Frequency Stability vs. Temperature Range: ±2.0 or ±2.5ppm vs. Supply Voltage (±5%): ±0.3ppm maximum vs. Load Change (±5%): ±0.2ppm maximum vs. Ageing (at 25°C): ±1.0ppm maximum Intitial Frequency Tolerance: ±1.5ppm maximum Operating Temperature Range: -30° to +80°C Storage Temperature Range: -40° to +90°C Supply Voltage: +2.4V min., +3.6V max. Current Consumption CMOS: 6.0mA maximum Clipped Sinewave: 2.0mA maximum Output Voltage Level CMOS: 80% Vdd minimum Clipped Sinewave: 0.8V p-p minimum Output Load CMOS: 1kΩ//15pF Clipped Sinewave: 10kΩ//10pF Dynamic Behaviour -20° to +80°C: ±0.30ppm/°C -30° to -20°C: ±1.0ppm/°C Start-up Time: 3.0ms max. to 90% Vdd Duty Cycle: 60/40% Harmonics: -9dBc maximum EQ3225 VOLTAGE CONTROL SPECIFICATION Control Voltage: Frequency Deviation: Nominal 50% Vdd (0V min, Vdd max.) ±5.0ppm min., ±15ppm max. PART NUMBERS Example: EQ3225-S-V10-20.000-2.5/-30+80 EQ3225 - S - V10 - 20.000 - 2.5/-30+80 Explanation: Series Description EQ3225 Output Type T = HCMOS S = Clipped Sinewave SSB PHASE NOISE at 25°C Offset 10Hz 100Hz 1kHz 10kHz EQ3225 (dBc/Hz) -86 -115 -138 -146 VCTCXO (V10 = VCTCXO ±10ppm pullability.) Blank for TCXO Nominal Frequency (MHz) Stability over Temperature ±ppm Operating Temperature Range Lower and upper limits °C 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