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| SD-A3670 Series VCXO Series (PECL) SD-A3670 Series Rev H Frequency Range: 70.0 MHz to 200.0 MHz Description The SD-A3670 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. Features Size, mm 5x7 I/O 6 pad Supply Voltage 3.3V * Wide Absolute Pull Range * High Reliability - NEL HALT/HASS qualified for crystal oscillator start-up conditions * Low jitter - Wavecrest jitter characterization available * Wide frequency range--70.0 MHz to 200.0 MHz * User specified tolerance available * Will withstand vapor phase 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 * 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 SD - A367X - FREQ Package Code SD 6 pad 5x7 mm SMD Input Voltage Code Specification A 3.3 V Tolerance/Performance 0 100 ppm 0-70C 9 Customer Specific C 100 ppm -40 to +85C Drawing Specifications Electrical Connection Pin 1 2 3 4 For the most up to date specifications on each NEL product, log on to our website-- www.nelfc.com 5 6 Dimensions shown in inches and millimeters. 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 Connection VCO Enable VEE Output Output Complement VCC VCXO Series (PECL) SD-A3670 Series Rev H Frequency Range: 70.0 MHz to 200.0 MHz Operating Conditions and Output Characteristics Electrical Characteristics Parameter Symbol -- -- VOL VOH tr, tf -- APR -- -- -- Frequency Duty Cycle Logic 0 Logic 1 Rise & Fall Time Jitter, RMS(1) Absolute Pull Range VCO Input Impedance VCO Linearity Transfer Function(2) -- @VO /2 -- -- 20-80% VO -- VCO=0.3 to 3.0V 50 na dc current max VCO=0.3 to 3.0V VCO=0.3 to 3.0V Conditions 70.0 MHz 45/55% VCC -1.810 VDC VCC -1.200 VDC -- -- 100ppm 100K ohm -- -- Min Typical -- -- -- -- -- 3 psec -- -- -- Positive 200.0 MHz 55/45% VCC -1.620 VDC VCC -0.880 VDC 600 ps -- -- -- 10% -- Max Supply Voltage Supply Current Output Current Operating Temperature Storage Temperature Power Dissipation Lead Temperature Load General Characteristics Parameter Symbol VCC-VEE 3.135 V Nominal ICC -- -- -- 0.0 mA IO TA -- 0C TS -- -55C -- -- PD TL Soldering, 10 sec. -- 50 ohm to VCC -2 V or Thevenin Equivalent, Bias Required -- Conditions Min Typical 3.3 V -- -- -- -- -- -- -- 3.465 V 60 mA 50.0 mA 70C 125C 208 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. |
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