This DS18B20 digital temperature sensor from Maxim IC. Each sensor has a unique 64-Bit Serial number etched into it and allows for a huge number of sensors to be used on one data bus. This is a wonderful part that is the corner stone of many data-logging and temperature control projects.

        This DS18B20 digital temperature sensor from Maxim IC. Each sensor has a unique 64-Bit Serial number etched into it and allows for a huge number of sensors to be used on one data bus. This is a wonderful part that is the corner stone of many data-logging and temperature control projects.

  • Power supply range: 3.0V — 5.5V

  • Measures temperatures: –55°C to +125°C (–67°F to +257°F)

  • ±0.5°C accuracy from –10°C to +85°C

  • Weight: 1g

  • Thermometer resolution is user-selectable from 9 to 12 bits

  • Converts temperature to 12-bit digital word in 750ms (max.)

  • User-definable nonvolatile (NV) alarm settings

  • Alarm search command identifies and addresses devices whose temperature is outside of programmed limits (temperature alarm condition)

  • Applications include thermostatic controls, industrial systems, consumer products, thermometers, or any thermally sensitive system