DS18B20

1-Wire Digital Thermometer, TO-92, Alarm Search Command Identifies, 3.0V to 5.5V

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Price:: US $0.75~0.85 / piece [Get Latest Price]

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	US $0.75~0.85

PartNumber:: DS18B20

Brand:: Maxim Integrated Products - Maxim | Pack: TO | D/C: 11+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
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Products Upload time: 2011-10-06

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Part Number:DS18B20
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Product Summary

The DS18B20 is a 1-Wire Digital Thermometer. It 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. The applications of the DS18B20 are Thermostatic Controls, Industrial Systems, Consumer Products, Thermometers, or Any Thermally Sensitive System.

Parametrics

DS18B20 absolute maximum ratings: (1)Voltage Range on Any Pin Relative to Ground:-0.5V to +6.0V ; (2)Operating Temperature Range:-55℃ to +125℃; (3)Storage Temperature Range:-55℃ to +125℃.

Features

DS18B20 features: (1)Unique 1-Wire Interface Requires Only One Port Pin for Communication ; (2)Each Device has a Unique 64-Bit Serial Code Stored in an On-Board ROM ; (3)Multidrop Capability Simplifies Distributed Temperature-Sensing Applications ; (4)Requires No External Components ; (5)Can Be Powered from Data Line; Power Supply Range is 3.0V to 5.5V ; (6)Measures Temperatures from -55℃ to +125℃; (7)±0.5℃ Accuracy from -10℃ to +85℃; (8)Thermometer Resolution is User Selectable from 9 to 12 Bits ; (9)Converts Temperature to 12-Bit Digital Word in 750ms (Max).