SR-A2A70

SR-A2A70 Series Differential Sine Wave SR-A2A70 Series 0435A Rev J Frequency Range: 250.0 MHz-1.7 GHz Description The SR-A2A70 Series of quartz crystal oscillators provide Differential Sine Wave signals. This device is to operate using positive voltage and uses multiple ground pins for improved signal integrity. Size, mm 9 x 14 Features • Wide frequency range – 250.0MHz to 1.7GHz • User specified tolerance available • Will withstand SMD reflow temperatures of 183°C for 4 minutes maximum • High shock resistance, to 1000g • High Reliability - NEL HALT/HASS qualified for crystal oscillator start-up conditions • Cover connected to ground • 3.3V and 2.5V versions available I/O 8 pad Supply Voltage 3.3V / 2.5V • Patent Pending, harmonic multiplication for extremely low jitter • High frequency output eliminates the need for PLL multiplication • Stabilities over temperatures as low as ±20ppm eliminates SAW oscillator temperature problems Creating a Part Number SR - A2A7X - FREQ Package Code SR 8 pad 9x14 mm SMD Input Voltage Code Specification A 3.3 V B 2.5 V Tolerance/Performance 0 ±100 ppm 0-70°C 1 ±50 ppm 0-70°C 7 ±25 ppm 0-70°C 9 Customer Specific A ±20 ppm 0-70°C B ±50 ppm -40 to +85°C C ±100 ppm -40 to +85°C Drawing Specifications For the most up to date specifications on each NEL product, log on to our website—www.nelfc.com Electrical Connections Pin Connection 1 VCC 2 Ground 3 NC or Ground 4 Q Output 5 /Q Output 6 Ground 7 Ground 8 Enable Recommended Board Layout Dimensions shown in inches (mm). The metallic center pad was designed for mechanical support. Grounding of this pad is optional. It measures 0.088 x 0.190 NOM (2.24 x 4.83 NOM). 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 Differential Sine Wave SR-A2A70 Series 0435A Rev J Frequency Range: 250.0MHz-1.7 GHz Operating Conditions and Output Characteristics Electrical Characteristics Parameter Symbol Frequency Harmonic Spurious Nonharmonic Spurious Output Voltage Jitter RMS(5) Enable Voltage(3) Disable Voltage Frequency Stability(1) Phase Noise(2) — — — VP-P — — — dF/F — — — — — — Conditions — — — — — — — Overall conditions including: voltage, calibration, temp., 10 yr aging, shock, vibration @100Hz @1kHz @10kHz @100kHz @1MHz @10MHz Min 250.0 MHz — — 0.60 V — 0.7 VCC — -100ppm — — — — — — Typical — -25dBc — 0.85 V 0.3 psec — — — — — — — — — Max 1.7 GHz -20dBc -60dBc — 0.5 psec — 0.3 VCC +100ppm -80 dBc/Hz -115 dBc/Hz -130 dBc/Hz -130 dBc/Hz -135 dBc/Hz -135 dBc/Hz General Characteristics Parameter Symbol Conditions Min 3.135 V 0.0 mA 0.0 mA 0ºC -55ºC — — Typical 3.3 V — — — — — 2 ms Max 3.465 V 120 mA ±50.0 mA 70ºC 125ºC 300ºC 10 ms Supply Voltage VCC 3.3V ± 5% Supply Current ICC 50 ohm termination Output Current IO Low level Output Current Operating Temperature TA — Storage Temperature TS — Lead Temperature TL Soldering, 10 sec. Load(4) 50 ohm termination Start-up Time tS — Environmental and Mechanical Characteristics Mechanical Shock Thermal Shock Vibration Soldering Condition 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 300ºC for 10 seconds Footnotes: 1) Standard frequency stability (±20, ±25, ±50 ppm & others available). 2) Phase Noise characterization available. Phase Noise is frequency dependent, phase noise specification references a 1.0GHz part. 3) Open to enable pin also enables the output. 4) Internally AC coupled output. 5) Jitter performance is frequency dependent. Please contact factory for full Aeroflex characterization. RMS jitter bandwidth of 12kHz to 20MHz.