MAX31629MTA+

MAX31629MTA+ is an I²C digital thermometer and real-time clock (RTC) that integrates the critical functions of a real-time clock and a temperature monitor. Communication to the device is accomplished through an I²C interface. The wide power-supply range and minimal power requirement of the device allow for accurate time/temperature measurements in battery powered applications. The digital thermometer provides 9-bit to 12bit temperature readings that indicate the temperature of the device. No additional components are required; the device is truly a “temperature-to-digital” converter. The clock/calendar provides seconds, minutes, hours, day, day of the week, month, day of the month, and year. The end-of-the-month date is automatically adjusted for months with less than 31 days, including corrections for leap years. It is used in applications such as networking equipment, industrial equipment, office equipment, data loggers and any thermally sensitive systems.

• Integration of temperature sensor and real-time clock saves space and cost
• Wide power-supply voltage range from 2.2V to 5.5V
• Thermostatic and time alarm settings are user definable
• Dedicated open-drain alarm output, standby current is 0.1µA maximum
• Active current is 1100µA maximum at (VDD = 2.2V, TA = -55°C to +125°C)
• Resolution from 9 to 12bits, serial-clock frequency is 400KHz maximum
• Input capacitance is 5pF typical at (2.2V ≤ VDD ≤ 5.5V, TA = -55°C to +125°C)
• Conversion time is 25ms maximum at (9 bits, 2.7V <lt/> VDD <lt/> 5.5V)
• Operating temperature range from -55°C to +125°C
• 8-pin TDFN-EP package

Notes

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party