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MAX31825 Datasheet Temperature Sensor

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: Click here for production status of specific part numbers. MAX31825 1-Wire® Temperature Sensor With ±1ºC Accuracy.

General Description

The MAX31825 temperature sensor provides 8-bit to 12-bit Celsius temperature measurements with better than ±1°C accuracy from 0°C to +70°C and ±1.75°C from -45°C to +145°C.

The sensor municates over a 1-Wire® bus that, by definition, requires only one data line (and ground) for munication with a microcontroller.

In addition, the sensor can derive power directly from the data line (“parasite power”), eliminating the need for an external power supply.

Key Features

  • 1-Wire Interface Requires Only One Port Pin for Communication.
  • Unique 64-bit Serial Code Stored in an On-Board ROM.
  • External Resistor Selects Address for Location Identification.
  • Can Be Powered From Data Line.
  • Power Supply Range is 1.6V to 3.6V (External Power), 2.3V to 3.6V (Parasite Power).
  • Measures Temperatures from -45°C to +145°C.
  • Better Than ±1°C Accuracy from 0°C to +70°C.
  • Better Than ±1.75°C Accuracy from -45°C to +145°C.
  • Alarm Output for Det.

More Datasheets from Maxim Integrated (now Analog Devices)

Part Number Description
MAX3182 +3V to +5.5V / 1.5Mbps RS-232 Receivers
MAX31820 1-Wire Ambient Temperature Sensor
MAX31820PAR Ambient Temperature Sensor
MAX3181 +3V to +5.5V / 1.5Mbps RS-232 Receivers
MAX3183 +3V to +5.5V / 1.5Mbps RS-232 Receivers
MAX31856 Precision Thermocouple to Digital Converter
MAX31865 RTD-to-Digital Converter
MAX31875 Low-Power I2C Temperature Sensor
MAX31889 Temperature Sensor
MAX3189E 15kV ESD-Protected / 1Mbps / 1A RS-232 Transmitters

MAX31825 Distributor