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| SH-A368X Series VCXO Series (PECL) SH-A368X Series Rev B Frequency Range: 60.0 MHz to 200.0 MHz Description The SH-A368X Series of voltage controlled quartz crystal oscillators provide frequency control by applying a voltage to Pin 1. This unit supplies DPECL compatible outputs which are enabled when Pin 2 is set to a logic low or left open. Size, Low Profile, mm 5 x 7 x 1.45 Features * Frequency range-60.0MHz to 200.0MHz * Wide Absolute Pull Range * Will withstand SMD reflow temperatures of 253C for 4 minutes maximum * Space-saving alternative to discrete component oscillators * High shock resistance, to 1000g * 3.3 volt operation * Metal lid electrically connected to ground to reduce EMI * Low Jitter - Wavecrest jitter characterization available I/O 6 pad Supply Voltage 3.3V * High Reliability - NEL HALT/HASS qualified for crystal oscillator start-up conditions * High Q Crystal actively tuned oscillator circuit * Power supply decoupling internal * No internal PLL avoids cascading PLL problems * High frequencies due to proprietary design * Gold plated pads * RoHS Compliant, Lead Free Construction Creating a Part Number SH - A368X - FREQ Package Code SH 6 pad 5x7mm SMD Input Voltage Code Specification A 3.3 V APR/Performance 1 50 ppm 0-70C 9 Customer Specific B 50 ppm -40 to +85C Drawing Specifications For the most up to date specifications on each NEL product, log on to our website--www.nelfc.com Dimension shown in mm and (inches). Electrical Connections Pin Connection 1 VCO 2 Enable 3 VEE 4 Output 5 Output Complement 6 VCC D3 357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone: 262-763-3591 Fax: 262-763-2881 Email: nelsales@nelfc.com www.nelfc.com VCXO Series (PECL) SH-A368X Series Rev B Frequency Range: 60.0 MHz to 200.0 MHz Operating Conditions and Output Characteristics Electrical Characteristics Parameter Symbol Frequency Duty Cycle Logic 0 Logic 1 Rise & Fall Time Jitter, RMS(1) Absolute Pull Range(4) VCO Input Impedance VCO Linearity Transfer Function(2) -- -- VOL VOH tr, tf -- APR -- -- -- -- @VO /2 -- -- 20-80% VO -- VCO = 0.3 to 3.0V 50na dc current max VCO = 0.3 to 3.0V VCO = 0.3 to 3.0V Conditions 60.0 MHz 45/55% VCC -1.810 Vdc VCC -1.200 Vdc -- -- -- 100K ohm -- -- Min -- -- -- -- -- 3 psec 100ppm -- -- Positive Typical 200.0 MHz 55/45% VCC -1.620 Vdc VCC -0.880 Vdc 1.25 ns -- -- -- 10% -- Max General Characteristics Parameter Symbol Supply Voltage VCC -VEE 3.3V 5% 3.135 V Supply Current ICC -- -- Output Current IO -- 0.0 mA Operating Temperature TA -- 0C Storage Temperature TS -- -55C Power Dissipation PD -- -- Lead Temperature TL Soldering, 10 sec. -- Load 50 ohm to VCC-2V or Thevenin Equivalent, Bias Required Conditions Min Typical 3.3 V -- -- -- -- -- -- 3.465 V 120 mA 50.0 mA 70C 125C 416 mW 300C Max Environmental and Mechanical Characteristics Mechanical Shock Thermal Shock Vibration Soldering Condition Hermetic Seal Per MIL-STD-202, Method 213, Condition E Per MIL-STD-833, Method 1011, Condition A 0.060" double amplitude 10 Hz to 55 Hz, 35g's 55 Hz to 2000 Hz 300C for 10 seconds Leak rate less than 1 x 10-8 atm.cc/sec of helium Footnotes: 1) Jitter performance is frequency dependent. Please contact factory for full Wavecrest characterization. RMS jitter bandwidth of 12kHz to 20MHz. 2) Frequency increase with increase in control voltage and is monotonic. 3) Logic levels are dependant on specified load of 50 ohms to Vcc-2 volts 4) Pullability is frequency dependant. Consult factory. D4 |
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