DS1821C+ datasheet by Maxim Integrated Products

DS1821C+ Frequently Asked Questions (FAQs)

• What is the accuracy of the DS1821C+ temperature sensor?
  The DS1821C+ has an accuracy of ±0.5°C from -10°C to +85°C, and ±1°C from -40°C to +125°C.
• How does the DS1821C+ handle power-on reset?
  The DS1821C+ has a built-in power-on reset circuit that ensures the device is in a known state after power-up.
• Can I use the DS1821C+ in a multi-drop bus configuration?
  Yes, the DS1821C+ supports a multi-drop bus configuration, allowing multiple devices to share the same bus.
• What is the maximum cable length for the 1-Wire bus?
  The maximum cable length for the 1-Wire bus is approximately 100 meters, but this can be extended using repeaters or hubs.
• How do I handle errors and retries in the 1-Wire communication protocol?
  The DS1821C+ uses a combination of error detection and correction mechanisms, including CRC and retry mechanisms, to ensure reliable data transfer.