ASEKDV-32.768KHZ-LC-T - ABRACON

ASEKDV-32.768KHZ-LC-T Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for optimal performance?
  Abracon recommends a symmetrical PCB layout with a ground plane underneath the oscillator to minimize noise and radiation. A 4-layer PCB with a dedicated ground layer is ideal. Keep the oscillator away from high-frequency signals and ensure a clear return path for the ground connection.
• How do I ensure the oscillator starts up reliably in a low-power mode?
  To ensure reliable startup, Abracon recommends applying a power-up sequence with a slow rise time (typically 1-10 ms) to the VCC pin. This allows the oscillator to stabilize before the circuit is fully powered. Additionally, ensure the power supply is clean and free of noise.
• What is the maximum allowable frequency deviation for this oscillator?
  The ASEKDV-32.768KHZ-LC-T has a frequency tolerance of ±20 ppm over the operating temperature range. This means the oscillator's frequency can deviate by up to 655.36 Hz (20 ppm of 32.768 kHz) from the nominal frequency.
• Can I use this oscillator in a high-temperature environment?
  The ASEKDV-32.768KHZ-LC-T is rated for operation up to 85°C. While it can tolerate short-term excursions up to 100°C, prolonged exposure above 85°C may affect the oscillator's long-term reliability and accuracy. Consult Abracon for custom temperature range options if needed.
• How do I handle ESD protection for this oscillator?
  Abracon recommends implementing ESD protection measures, such as TVS diodes or ESD-protection ICs, on the oscillator's input and output pins to prevent damage from electrostatic discharge. Follow proper PCB design and handling practices to minimize ESD risks.