EURO QUARTZ EM572T TCXO CMOS 7 x 5 x 2.3mm SMD, MHz Range 1.25MHz to 40.0MHz Miniature 7 x 5 x 2.3mm SMD package Frequency range: 1.25MHz to 40.0MHz Supply voltage 2.5, 3.0, 3.3 or 5.0 Volts Frequency stability from ±0.5ppm DESCRIPTION EM572T - OUTLINES AND DIMENSIONS EM572T series TCXOs are packaged in a miniature 4 pad ceramic SMD package. With squarewave (CMOS) output, tolerances are available from ±0.5ppm. The part has a 0.01mF decoupling capacitor built in. SPECIFICATION Product Series Code TCXO: VCTCXO: Frequency Range: Output Waveform: Initial Calibration Tolerance: Standard Frequencies: Operating Temperature Range: Frequency Stability vs. Ageing: vs. Voltage Change: vs. Load Change: vs. Reflow: Supply Voltage: Output Logic Levels: Rise and Fall Times: Duty Cycle: Start-up Time: Current Consumption at +2.5V supply: at +3.0V supply: at +3.3V supply: at +5.0V supply: Output Load: Storage Temperature: EM572T VEM572T 1.25MHz to 40.0MHz Squarewave, HCMOS <±2.0ppm at +25°±2°C 10.0, 12.8, 13.0, 14.47456, 16.384, 19.2, 19.440, 19.68, 20.0, 25.0 and 27.0MHz ( ) ±1.0 ppm max. first year ±0.3 ppm max. ±5% change ±0.3 ppm max. ±10% change ±1.0ppm max. for one reflow ( ) +2.5, +3.0, +3.3 or +5.0V Logic High: 90% Vdd min. Logic Low: 10% Vdd max. 10ns max. 50%±10% standard, 50%±5% option 5ms typ., 10ms max. 10mA max. 13mA max. 13mA max. 27mA max. 15pF -55~+125°C VEM572T VOLTAGE CONTROL SPECIFICATION Control Voltage Centre: Frequency Deviation: Slope Polarity: Standard = +1.5±1.0 Volts for all input voltages. ±5 ppm (Vcon = +1.5±1.0V) Positive Input Impedance: Modulation Bandwidth: Linearity: 50M minimum 20kHz minimum ±10% maximum FREQUENCY STABILITY Frequency Stability (ppm) Temperature Range (°C) ±0.5 ±1.0 ±1.5 ±2.0 ±2.5 ±3.0 0 ~ +50 P P P P P P -10 ~ +60 ASK P P P P P -20 ~ +70 x P P P P P -30 ~ +75 x P P P PP P -40 ~ +85 x ASK P P P P P = available, x = not available, ASK = call Tech. Sales PART NUMBERING PROCEDURE Example: SSB PHASE NOISE at 25°C, 15pF Offset: dBc/Hz 10Hz 100Hz 1kHz 10kHz 100kHz EM572T33 10.000MHz -96 -122 -138 -145 -150 EM572T33-27.000-2.5/-30+75 Series Description TCXO = EM572T VCTCXO = VEM572T Supply Voltage 25 = 2.5VDC 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. 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