Part number SIT5541AE-WU-33E0A10.000000 Product Type OCXO - Oven Controlled Crystal Oscillator from Manufacturer SiTime

Status: Standard | Data Sheet: pdf link image   | RoHS Compliance: Rohs Compliant

The Endura™ ruggedized SiT5541 is a precision Super-TCXO® with ±10-ppb stability over temperature, from -40°C to 105°C. Engineered for exceptional dynamic performance, this device provides the most stable timing in the presence of environmental stressors such as airflow, temperature perturbation, vibration, shock, and EMI. It delivers ±0.5 ppb/°C typical frequency slope (ΔF/ΔT) and 2e-11 ADEV at 10 second averaging time, and is resistant to shock and vibration with 0.01 ppb/g acceleration sensitivity.

The MEMS-based SiT5541 is ideal for replacing larger and less-robust power-hungry quartz OCXOs in PNT, aerospace-defense networking and communication systems. It is 2x smaller, 10x more resilient, and up to 10x lower power than comparable OCXOs.

The SiT5541 is tested in accordance with MIL-PRF-55310 and MIL-STD-883. It can be factory-programmed to any combination of frequency, voltage, and pull range, enabling designers to optimize the clock configuration while eliminating the long lead time and customization costs associated with quartz products where each frequency is custom-built.

Key specifications of the Endura SiT5541 ultra-stable super-TCXOs

  • 1 to 60MHz
  • -40°C to +105°C operating temperature range, enables use in extreme temperatures
  • ±10 ppb frequency stability over the full temperature range, highest amongst TCXOs, and able to replace more expensive, power-hungry, and less-reliable OCXOs
  • 0.01 ppb/g g-sensitivity per MIL-PRF-55310
  • 110 mW (typ.) power consumption, 2 to 10x lower than ±10 ppb OCXOs
  • ±0.5 ppb/°C dF/dT (frequency slope), resistant to thermal shock and airflow
  • ±300 ppb 20-year aging at 85°C, eliminates expensive in-factory calibration that is required with less stable devices
  • Small 7.0 x 5.0mm ceramic package, insensitive to board bending stress, reducing board layout constraints
Part Number:
SIT5541AE-WU-33E0A10.000000
Manufacturer:
SiTime
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