Abracon recommends a symmetrical PCB layout with a solid ground plane, and keeping the oscillator away from high-frequency noise sources. A 4-layer PCB with a dedicated ground plane is ideal.
Ensure the power supply is stable and within the recommended voltage range. Add a 10nF to 100nF decoupling capacitor between VCC and GND, and a 1kΩ to 10kΩ pull-up resistor on the output pin to improve startup reliability.
The ARJM26A1-547-AB-EW2 is rated for operation from -40°C to +85°C. However, it's recommended to derate the frequency tolerance and stability over the full temperature range.
The ARJM26A1-547-AB-EW2 is designed to withstand moderate vibration levels. However, for high-vibration environments, Abracon recommends using a more ruggedized oscillator or taking additional mechanical design precautions to ensure reliability.
Check the power supply voltage, ensure the oscillator is properly connected, and verify the load capacitance is within the recommended range. Also, check for any noise or interference on the output pin that may be preventing oscillation.
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ARJM26A1-547-AB-EW2 Overview
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