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MAX31889 - Temperature Sensor

General Description

The MAX31889 operates from a 1.7V to 3.6V supply voltage, and is a low-power, high-accuracy digital temperature sensor with ±0.25ºC accuracy from -20ºC to +105ºC and ± 0.65ºC accuracy from -40ºC to +125ºC.

The MAX31889 has 16-bit resolution (0.005ºC).

Key Features

  • High Accuracy and Precision.
  • ±0.25ºC Accuracy from -20ºC to +105ºC.
  • ±0.65ºC Accuracy from -40ºC to +125ºC.
  • Long Battery Life.
  • 1.7V to 3.6V Operating Voltage.
  • 68µA Operating Current During Measurement.
  • 0.55µA Standby Current.
  • Small Size.
  • 2mm x 2mm x 0.8mm, 6-Pin μDFN.
  • Safety and Compliance.
  • High and Low Temperature Alarms.
  • I2C Digital Interface.
  • Configurable Convert Temperature Input Pin.
  • Co.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Click here for production status of specific part numbers. MAX31889 EVALUATION KIT AVAILABLE ±0.25°C Accurate I2C Temperature Sensor General Description The MAX31889 operates from a 1.7V to 3.6V supply voltage, and is a low-power, high-accuracy digital temperature sensor with ±0.25ºC accuracy from -20ºC to +105ºC and ± 0.65ºC accuracy from -40ºC to +125ºC. The MAX31889 has 16-bit resolution (0.005ºC). The device uses a standard I2C serial interface to communicate with a host controller. Two GPIO pins are available. GPIO1 can be configured to trigger a temperature converison, while GPIO0 can be configured to generate an interrupt for selectable status bits. The MAX31889 includes a 32-word FIFO for the temperature data and also includes high and low threshold digital temperature alarms.