EURO QUARTZ EM32T TCXO 8.192MHz to 38.4MHz HCMOS TCXO 3.2 x 2.5mm SMD Miniature 3.2 x 2.5 x 1.3mm SMD package Frequency range: 8.192MHz to 38.4MHz Supply voltage 3.3 Volts Frequency stability from ±1ppm over -40 to +85°C RoHS compliant EM32T - OUTLINES AND DIMENSIONS DESCRIPTION EM32T series TCXOs are packaged in a miniature, 3.2 x 2.5mm outline, 4 pad ceramic SMD package. With squarewave (HCMOS) output, tolerances are available from ±1.0ppm over -40° to +85°C. The part has a 0.01mF decoupling capacitor built in. SPECIFICATION Product Series Code TCXO: VCTCXO: Frequency Range: Output Waveform: Initial Calibration Tolerance: Operating Temperature Range: Frequency Stability vs. Temperature: vs. Ageing: vs. Voltage Change: vs. Load Change: vs. Reflow (SMD type): EM32T VEM32T 8.192MHz to 38.4MHz Squarewave, HCMOS <±2.0ppm at +25°±2°C from 0°~50° to -40°~+85°C ±1.0 ppm max. first year ±0.3 ppm max. ±5% change ±0.3 ppm max. ±10% change ±1.0ppm max. for one reflow Supply Voltage: Output Logic Levels: Start-up Time: Current Consumption: +3.3Volts ±5% Logic High: 90% Vdd min. Logic Low: 10% Vdd max. 10ns max. 50%±10% standard, 50%±5% option 5ms typical, 10ms max. 4.0mA typical Output Load: Storage Temperature: Ageing: 15pF -50°~+100°C ±3ppm per year (max.) Rise and Fall Times: Duty Cycle: Temp. Range (°C) P Control Voltage: Standard = +1.5±1.0Volts for all input voltages. Frequency Deviation: Slope Polarity: ±6.0 ppm min. (Vcon = +4.5V±1.0V) Positive Input Impedance: 50k minimum Modulation Bandwidth: 20kHz minimum Linearity: ±10% maximum FREQUENCY STABILITY Frequency Stability (ppm) VEM32T VOLTAGE CONTROL SPECIFICATION ±0.5 ±1.0 ±1.5 ±2.0 ±2.5 ±3.0 ±5.0 0 ~ +50 P P P P P P P -10 ~ +60 ASK P P P P P P -20 ~ +70 x P P P P P P -30 ~ +75 x P P P PP P P -40 ~ +85 x P P P P P P = available, x = not available, ASK = call Technical Sales PART NUMBERS EM32T33-38.400-2.5/-30+75 Example: Series Description TCXO = EM32T VCTCXO = VEM32T Supply Voltage 3.3VDC Frequency (MHz) Stability over OTR (±ppm) Operating Temperature Range (OTR) (°C) (Lower and upper limits.) SSB PHASE NOISE at 25°C Offset M32T33 10.0MHz (dBc/Hz) 10Hz 100Hz 1kHz 10kHz 100kHz 1 MHz 10 MHz -80 -115 -135 -138 -142 -148 -150 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