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DS18B20 Programmable Resolution 1-Wire Digital Thermometer

Maxim-Dallas

DS18B20 Programmable Resolution 1-Wire Digital Thermometer RSS Sample
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Kod:
2812
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ANALOG DEVICES
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Programmable Resolution 1-Wire Digital Thermometer. The DS18B20 digital thermometer provides 9-bit to 12-bit Celsius temperature measurements and has an alarm function with nonvolatile user-programmable upper and lower trigger points. The DS18B20 communicates over a 1-Wire bus that by definition requires only one data line (and ground) for communication with a central microprocessor. In addition, the DS18B20 can derive power directly from the data line ("parasite power"), eliminating the need for an external power supply.

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