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).
Diagrams

| Image | Part No | Mfg | Description |  | Pricing (USD) | Quantity | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|  |  DS18B20 |  Maxim Integrated Products |  Board Mount Temperature Sensors |  Data Sheet |  Negotiable |  | ||||||||||||
|  |  DS18B20/T&R |  Maxim Integrated Products |  Board Mount Temperature Sensors |  Data Sheet |  Negotiable |  | ||||||||||||
|  |  DS18B20+ |  Maxim Integrated Products |  Board Mount Temperature Sensors Prgmble Resolution 1-Wire Parasite Pwr |  Data Sheet |  
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|  |  DS18B20+PAR |  Maxim Integrated Products |  Board Mount Temperature Sensors Prgmble Resolution 1-Wire Parasite Pwr |  Data Sheet |  
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|  |  DS18B20+T&R |  Maxim Integrated Products |  Board Mount Temperature Sensors Prgmble Resolution 1-Wire Parasite Pwr |  Data Sheet |  
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|  |  DS18B20-PAR |  Maxim Integrated Products |  Board Mount Temperature Sensors |  Data Sheet |  Negotiable |  | ||||||||||||
|  |  DS18B20-PAR/T&R |  Maxim Integrated Products |  Board Mount Temperature Sensors |  Data Sheet |  Negotiable |  | ||||||||||||
|  |  DS18B20-PAR+T&R |  Maxim Integrated Products |  Board Mount Temperature Sensors Prgmble Resolution 1-Wire Parasite Pwr |  Data Sheet |  
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 (China (Mainland))
 (China (Mainland)) 
                         
                        
 
                                    




