DS1802E+T&R datasheet by Maxim Integrated Products

DS1802E+T&R Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for the DS1802E+T&R?
  The recommended operating voltage range for the DS1802E+T&R is 2.7V to 5.5V, although it can operate down to 2.2V with reduced performance.
• How do I ensure reliable communication between the DS1802E+T&R and the microcontroller?
  To ensure reliable communication, make sure to follow the I2C protocol guidelines, use pull-up resistors on the SCL and SDA lines, and implement error checking and retries in your firmware.
• What is the maximum capacitance allowed on the SCL and SDA lines?
  The maximum capacitance allowed on the SCL and SDA lines is 400pF, although lower capacitance values are recommended for better signal integrity.
• How do I handle the case where the DS1802E+T&R is not responding to I2C commands?
  If the DS1802E+T&R is not responding to I2C commands, try resetting the device by toggling the RST pin, checking the I2C bus for conflicts or noise, and verifying the device address and register settings.
• What is the typical power consumption of the DS1802E+T&R?
  The typical power consumption of the DS1802E+T&R is around 1.5mA at 3.3V, although this can vary depending on the operating frequency and mode.