DS3231MZ+ datasheet by Maxim Integrated Products

DS3231MZ+ Frequently Asked Questions (FAQs)

• What is the recommended crystal oscillator frequency for the DS3231MZ+?
  The recommended crystal oscillator frequency for the DS3231MZ+ is 32.768 kHz.
• How accurate is the internal oscillator of the DS3231MZ+?
  The internal oscillator of the DS3231MZ+ has an accuracy of ±2 ppm at 25°C, which is sufficient for most applications.
• Can the DS3231MZ+ operate in a wide temperature range?
  Yes, the DS3231MZ+ can operate in a wide temperature range of -40°C to +85°C, making it suitable for industrial and automotive applications.
• How does the DS3231MZ+ handle battery backup?
  The DS3231MZ+ has a built-in battery backup switchover circuit that automatically switches to the backup battery when the main power supply fails, ensuring continuous operation.
• What is the purpose of the EOSC pin on the DS3231MZ+?
  The EOSC pin is an output that indicates when the oscillator is enabled or disabled, allowing the system to detect oscillator faults or startup conditions.