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DS18B20 Digital Temperature Sensor

DS18B20 Digital Temperature Sensor

DS18B20 Digital Temperature Sensor

DS18B20 is 1-wire digital temperature sensor from Maxim IC, providing data in degree Centigrade with 9 to12 bit precision over the range of operation (-55C to 125C).

Each DS18B20 IC has been assigned unique 64-Bit Serial Number at the time of manufacturing - allowing for a large number of such sensors to be used on one data bus. Thus a single microcontroller can receive data from many DS18B20s distributed over a large area. This feature could be handy in various data-logging and temperature control applications.   

DS18B20 has an alarm function which can be used for setting user-programmable upper and lower trigger points. It has 1-Wire® bus communication feature, requiring only one data line (and ground) for communication with microprocessor. The DS18B20 has accuracy of ±0.5°C over the range of -10°C to +85°C.

Features:

• Unique 1-Wire® interface requires only one port pin for communication

• Each device has a unique 64-bit serial code stored in an onboard ROM

• Multidrop capability simplifies distributed temperature sensing applications

• Requires no external components

• Can be powered from data line. Power supply range is 3.0V to 5.5V

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

• ±0.5°C accuracy from –10°C to +85°C

• 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

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  • Product Code: DS18B20 Digital Temperature Sensor
  • Availability: In Stock
  • Rs100.00

Tags: ds18b20, digital, temperature, sensor, ds18b20 digital temperature sensor

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