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Analog Devices / Maxim Integrated MAX31629 I2C Digital Thermometer & RTC

Analog Devices Inc. MAX31629 I2C Digital Thermometer and Real-Time Clock (RTC) integrates the critical functions of a real-time clock and a temperature monitor in a small-outline 8-pin TDFN package. 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 12-bit temperature readings that indicate the temperature of the device. No additional components are required; the device is truly a "temperature-to-digital" converter.

Features

  • Measures temperatures from -55°C to +125°C or -67°F to +257°F
  • Counts seconds, minutes, hours, day, day of the week, month, day of the month, and year
  • Leap-year compensation through the year 2100
  • ±2.0°C thermometer accuracy
  • User programmable thermometer resolution to 9, 10, 11, or 12 Bits
  • User definable thermostatic and time alarm settings
  • Dedicated open-drain alarm output
  • 32 bytes of SRAM for general data storage
  • Data is read from/written to through an I2C serial interface (open-drain I/O lines)
  • 2.2V to 5.5V wide power supply range
  • 8-Pin TDFN package

Applications

  • Data loggers and any thermally sensitive systems
  • Industrial equipment
  • Networking equipment
  • Office equipment

Block Diagram

Block Diagram - Analog Devices / Maxim Integrated MAX31629 I2C Digital Thermometer & RTC

Associated Products

Analog Devices / Maxim Integrated Digital Temperature Sensors

Part of a wide range of temperature sensing and control applications that offer many alternatives.

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Inilathala: 2014-04-10 | Na-update: 2025-08-21