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EM32T Datasheet(PDF) 1 Page - EUROQUARTZ limited |
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EM32T Datasheet(HTML) 1 Page - EUROQUARTZ limited |
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1 / 1 page EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk EURO QUARTZ HCMOS TCXO 3.2 x 2.5mm SMD EM32T TCXO DESCRIPTION Miniature 3.2 x 2.5 x 1.3mm SMD package Wide frequency range: 1.25MHz to 156.0MHz Supply voltage 2.8, 3.0, 3.3 or 5.0 Volts Frequency stability from ±1ppm over -30 to +75°C RoHS compliant EM32T series TCXOs are packaged in a miniature, 3.2 x 2.5mm outline, 4 pad ceramic SMD package. With squarewave (CMOS) output, tolerances are available from ±1.0ppm over -30° to +75°C. The part has a 0.01mF decoupling capacitor built in. EM32T - OUTLINES AND DIMENSIONS Input Voltage/ Frequency +2.8V +3.0 +3.3V +5.0 V 8.192MHz 2mA 2mA 5mA 10.0MHz 3mA 4mA 7mA 77.760MHz 14mA 17mA 32mA 155.520MHz 26mA 35mA 50mA INPUT VOLTAGE & CURRENT CONSUMPTION SPECIFICATION Product Series Code TCXO: EM32T VCTCXO: VEM32T Frequency Range: 1.25MHz to 156.0MHz Output Waveform: Squarewave, HCMOS Initial Calibration Tolerance: <±2.0ppm at +25°±2°C Standard Frequencies: 10.0, 12.8, 13.0, 14.4, 15.36, 16.384, 19.2, 19.440, 19.68, 25.0, 20.0, 27.0, 38.880, 40.0, 77.760, 125.0, 155.520 ( ) Operating Temperature Range: Frequency Stability vs. Ageing: ±1.0 ppm max. first year vs. Voltage Change: ±0.3 ppm max. ±5% change vs. Load Change: ±0.3 ppm max. ±10% change vs. Reflow (SMD type): ±1.0ppm max. for one reflow ( ) Supply Voltage: +2.8, +3.0, +3.3 or +5.0V ( Output Logic Levels: Logic High: 90% Vdd min. Logic Low: 10% Vdd max. Rise and Fall Times: 10ns max. Duty Cycle: 50%±10% standard, 50%±5% option Start-up Time: 5ms typical, 10ms max. Current Consumption: Output Load: 15pF Storage Temperature: -55~+125°C PART NUMBERS Example: EM32T33-38.880-2.5/-30+75 Supply Voltage 28 = 2.8VDC 3 = 3.0VDC 33 = 3.3 VDC 5 = 5.0 VDC Frequency (MHz) Stability over OTR (±ppm) Operating Temperature Range (OTR) (°C) (Lower and upper limits.) Series Description TCXO = EM32T VCTCXO = VEM32T Frequency Stability (ppm) ±0.5 ±1.0 ±1.5 ±2.0 ±2.5 Temperature Range (°C) 0 ~ +50 P P P P P -10 ~ +60 ASK P P P P -20 ~ +70 x P P P P -30 ~ +75 x P P P PP -40 ~ +85 x P P P P P = available, x = not available, ASK = call Technical Sales FREQUENCY STABILITY 1.25MHz to 156.0MHz Control Voltage: Standard = +1.5±1.0Volts for all input voltages. Frequency Deviation: ±6.0 ppm min. (Vcon = +4.5V±1.0V) Slope Polarity: Positive Input Impedance: 50k minimum Modulation Bandwidth: 20kHz minimum Linearity: ±10% maximum VEM32T VOLTAGE CONTROL SPECIFICATION Offset 10Hz 100Hz 1kHz 10kHz 100kHz Part = M53T33 at 10.0Mhz (dBc/Hz) -96 -122 -138 -145 -150 at 155.250Mhz (dBc/Hz) -68 -96 -110 -117 -112 SSB PHASE NOISE at 25°C |
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