DS18B20Z+

The DS18B20Z+ is a 1-Wire® programmable resolution Digital Thermometer. The DS18B20 digital thermometer provides 9-bit to 12-bit Celsius temperature measurements and has an alarm function with non-volatile 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. It has an operating temperature range of -55°C to +125°C and is accurate to ±0.5°C over the range of -10°C to +85°C. In addition, the DS18B20 can derive power directly from the data line (parasite power), eliminating the need for an external power supply. Each thermometer has a unique 64-bit serial code, which allows multiple thermometers to function on the same 1-Wire bus. Thus, it is simple to use one microprocessor to control many thermometers distributed over a large area.

• Unique 1-Wire® interface requires only one port pin
• Each device has an unique 64-bit serial code stored in an on-board ROM
• Requires no external components
• Can be powered from data line
• Thermometer resolution is user selectable from 9 to 12 bits
• Convert temperature to 12-bit digital world in 750ms (maximum)
• User-definable non-volatile (NV) alarm settings
• Software compatible with DS1822

Tillämpningar

Agriculture, Audio, Sensing & Instrumentation, Computers & Computer Peripherals, Medical, Communications & Networking, Industrial, Consumer Electronics, Metering, HVAC

Kommentarer

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