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| EURO QUARTZ Miniature 7 x 5 x 2.8mm ceramic SMD package Frequency range: 38.880MHz to 432.0MHz Supply voltage 3.3 Volts Less than 1ps phase jitter, ideal for SONET, xDSL RoHS compliant DESCRIPTION EMF576P 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: EMF576P VCTCXO: VEMF576P Frequency Range: 38.880MHz to 432.0MHz Output Waveform: Differential PECL Initial Calibration Tolerance: <2.0ppm at +252C Standard Frequencies: 38.880, 40.0, 50.0, 54.0, 64.0, 65.536, 77.76, 80.0, 100.0, 128.0, 155.250, 160.0, 200.0, 204.8, 311.04, 320.0 and 409.60MHz (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 <150MHz = 0.7ns max, 150 to 320MHz = 0.55ns max. <320MHz = 0.45ns max. Duty Cycle: 50%5% Start-up Time: 5ms typical, 10ms max. Current Consumption 38.880 to 100MHz: 75mA max. 100.0 to 320MHz: 90mA max. 320 to 432.0MHz: 100mA max. Output Load: 50W to VDD -2.0 Volts Storage Temperature: -55 to +125C Phase Jitter (RMS) (12kHz to 20MHz): 0.4ps typ., 0.5ps max ENABLE/DISABLE FUNCTION Pad 2 not connected: Disable: PECL and differential PECL outputs enabled. Referenced to Ground (threshold) Oscillator is always on, buffer stage is disabled. Disable current: 50mA max. (at 0.0V), disable time 10ns max. Pad 2 >0.45VCC Ground (threshold) Enable time 10ns plus one period of output freq. PERIOD JITTER EMF576P Series TCXO PECL 7 x 5 x 2.8mm SMD, 'F' Group EMF576P - OUTLINES AND DIMENSIONS VEMF576P 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 = EMF576P33 at 155.520MHz (dBc/Hz) at 311.020MHz (dBc/Hz) 10Hz -62 -59 100Hz -92 -86 1kHz -120 -116 10kHz -132 -129 100kHz -128 -124 Frequency (MHz) RMS (typ.) Peak to Peak 38.880 2.5ps 20.0ps 77.760 2.5ps 18.0ps 155.520 3.0ps 20.0ps 622.080 3.0ps 25.0ps Enable: 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 PART NUMBERING SCHEDULE Example: EMF576P33-204.80-2.5/-30+75 = available, x = not available, ASK = call Technical Sales Series Description TCXO = EMF576P VCTCXO = VEMF576P 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 |
Price & Availability of EF576P33-20480-25-30
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