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| EURO QUARTZ Miniature 7 x 5 x 2.8mm ceramic SMD package Frequency range: 10.0MHz to 800.0MHz Supply voltage 3.3 Volts Low cost, low jitter for general applications RoHS compliant DESCRIPTION EMW576P series TCXOs are packaged in a miniature 6 pad 7 x 5 x 2.8mm ceramic SMD package. With differential PECL output, tolerances are available from 1.0ppm over -30 to +75C. The part has a 0.01mF decoupling capacitor built in. SPECIFICATION Product Series Code TCXO: EMW576P VCTCXO: VEMW576P Frequency Range: 10.0MHz to 800.0MHz Output Waveform: Differential PECL Initial Calibration Tolerance: <2.0ppm at +252C Standard Frequencies: 10.0, 12.8, 16.0, 19.44, 20.0, 27.0, 30.0, 32.768, 38.880, 40.0, 50.0, 54.0, 64.0, 65.5360, 77.76, 80.0, 100.0, 128.0, 155.520, 160.0, 200.0, 204.8, 311.04, 320.0, 409.6 and 622.080MHz (Partial list) Operating Temperature Range: See table Frequency Stability (see table) 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 (Measured after 24 hours) Supply Voltage: +3.3 Volts Output Logic Levels Logic High: VOH = 2.275V (min.) VDD = -1.025V (min.) Logic Low: VOL = 1.680V (max.) VDD = -1.620V (max.) Rise and Fall Times: 1.5ns typical Duty Cycle: 50%5% Start-up Time: 5ms typical, 10ms max. Current Consumption 10MHz to 25MHz: 65mA 25MHz to 100MHz: 85mA 100MHz to 800MHz: 115mA Output Load: 50W to VDD -2.0 Volts Phase Jitter (RMS) (12kHz to 20MHz): 2.6ps typ., 4.0ps max for 155.520MHz Storage Temperature: -55 to +125C ENABLE/DISABLE FUNCTION Pad 2 not connected: PECL and differential PECL outputs enabled. Disable: Referenced to Ground (threshold) Oscillator is always on, buffer stage is disabled. Disable current: 50mA max. (at 0.0V), disable time 10ns max. Enable: Pad 2 >0.45VCC Ground (threshold) Enable time 10ns plus one period of output freq. FREQUENCY STABILITY OVER TEMPERATURE Stability (ppm) 0 ~ +50 -10 ~ +60 Temp. Range (C) -20 ~ +70 -30 ~ +75 -40 ~ +85 P 1.0 P ASK X X X 2.0 P P P P X 2.5 P P P P X 3.0 P P P P ASK 4.0 P P P P ASK 5.0 P P P P P EMW576P Series TCXO PECL 7 x 5 x 2.8mm SMD, 'W' Group EMW576P - OUTLINES AND DIMENSIONS VEMW576P VOLTAGE CONTROL SPECIFICATION Control Voltage: Frequency Deviation: Slope Polarity: Linearity: +1.51.0Volts 6.0 ppm min. with Vcon = +1.51.0V Positive (increase of control voltage increases output frequency.) 6% typical, 10% maximum SSB PHASE NOISE at 25C Offset Part = EMW576P33 at 155.52MHz (dBc/Hz) at 622.08MHz (dBc/Hz) 10Hz -65 -55 100Hz -95 -85 1kHz -120 -109 10kHz -125 -115 100kHz -121 -110 PERIOD JITTER Frequency (MHz) RMS (typ.) Peak to Peak 38.880 2.2ps 17.0ps 77.760 3.5ps 25.0ps 155.520 4.3ps 27.0ps 622.080 5.0ps 32.0ps PART NUMBERING SCHEDULE Example: EMW576P33-155.52-2.5/-30+75 = available, x = not available, ASK = call Technical Sales Series Description TCXO = EMW576P VCTCXO = VEMW576P Supply Voltage 33 = 3.3 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 info@euroquartz.co.uk www.euroquartz.co.uk |
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