DS18B20 Datasheet (Dallas Semiconductor) - Programmable Resolution 1-Wire Digital Thermometer

DS18B20, Programmable Resolution 1-Wire Digital Thermometer

GND - Ground DQ - Data In/Out VDD - Power Supply Voltage NC - No Connect DESCRIPTION The DS18B20 Digital Thermometer provides 9 to 12-bit (configurable) temperature readings which indicate the temperature of the device.

Information is sent to/from the DS18B20 over a 1-Wire interface, so that only

DS18B20 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 -