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DS18B20中文资料

  • 资源大小:846 K
  • 上传时间: 2013-08-04
  • 上传用户:dedien
  • 资源积分:2 下载积分
  • 标      签: 18B B20 DS 18

资 源 简 介

FEATURES  Unique 1-Wire interface requires only one port pin for communication  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  Zero standby power required  Measures temperatures from -55°C to +125°C. Fahrenheit equivalent is -67°F to +257°F  ±0.5°C accuracy from -10°C to +85°C  Thermometer resolution is programmable from 9 to 12 bits  Converts 12-bit temperature to digital word in 750 ms (max.)  User-definable, nonvolatile temperature 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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