PJ-A2940 Series Preliminary Description PJ-A2940 Series quar
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Data Sheet 0149B Rev.
PJ-A2940 Series
Preliminary Description
PJ-A2940 Series quartz crystal oscillators provide DPECL Fast Edge compatible signals. Systems designers specify space-saving, cost-effective packaged PECL oscillators meet their timing requirements.
Features
Wide frequency range-80.0MHz 180.0MHz User specified tolerance available Will withstand vapor phase temperatures 253°C minutes maximum Space-saving alternative discrete component oscillators High shock resistance, 3000g volt operation Fast rise fall times <600 Metal electrically connected ground reduce Electrical Connection Connection Enable/Disable Output Output Complement High Reliability HALT/HASS qualified crystal oscillator start-up conditions Jitter Wavecrest jitter characterization available Overtone technology High Crystal actively tuned oscillator circuit Power supply decoupling internal internal avoids cascading problems High frequencies proprietary design Gold plated leads Solder dipped leads available upon request
Beloit Street, P.O. 457, Burlington, 53105-0457 U.S.A. Phone 262/763-3591 262/763-2881 Email: nelsales@nelfc.com www.nelfc.com
PJ-A2940 Series Continued Differential Positive (DPECL) Fast Edge Operating Conditions Output Characteristics
Electrical Characteristics
Parameter Frequency Duty Cycle Logic Logic 1(2) Rise Fall Time Jitter, RMS(3) Frequency Stability Symbol Conditions -80.0MHz 45/55% VCC-1.29V -1.35V -2.28V tr,tf 20-80%VO with load VCC-2V -200 psec -dF/F Overall conditions including: -100ppm voltage, calibration, temp., aging, shock, vibration
Data Sheet 0149B Rev.
Typical
180.0MHz 55/45% 1.70V 2.56V psec +200 psec psec +100ppm
General Characteristics
Parameter Supply Voltage Supply Current Output current Operating temperature Storage temperature Power Dissipation Lead temperature Load Start-up time Conditions -3.15V termination 2.00V below level Output Current -0°C -55°C Soldering, sec. VCC-2V Thevenin Equivalent, Bias Required -Symbol Typical 3.3V 3.45V ±50.0 70°C 125°C 300°C
Environmental Mechanical Characteristics
Mechanical Shock Thermal Shock Vibration Soldering Condition Hermetic Seal MIL-STD-202, Method 213, Condition MIL-STD-833, Method 1011, Condition 0.060" double amplitude 35g's 55Hz 2000 300°C seconds Leak rate less than atm.cc/sec
Footnotes: Standard frequency stability (±20,±25,±50ppm others available) VOL, VOH, referenced ground (VEE) with 3.3V Jitter performance frequency dependent. Please contact factory full Wavecrest characterization. phase shift between falling edge 2.0V rising edge 2.01V.
Creating Part Number A294X FREQ Package Code Lead Input Voltage Code Specification 3.3V Tolerance/Performance ±100ppm 0-70°C ±50ppm 0-70°C ±25ppm 0-70°C Customer Specific ±20ppm 0-70°C ±50ppm +85°C ±100ppm +85°C
Beloit Street, P.O. 457, Burlington, 53105-0457 U.S.A. Phone 262/763-3591 262/763-2881 Email: nelsales@nelfc.com www.nelfc.com
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