DS1822-PAR Datasheet (Maxim Integrated) - Econo 1-Wire Parasite-Power Digital Thermometer

DS1822-PAR, Econo 1-Wire Parasite-Power Digital Thermometer

GND - Ground DQ - Data In/Out NC - No Connect DESCRIPTION The DS1822-PAR digital thermometer provides 9- to 12-bit centigrade temperature measurements and has an alarm function with nonvolatile (NV) user-programmable upper and lower trigger points.

The DS1822-PAR does not need an external power sup

DS1822-PAR Features

* Unique 1-Wire® interface requires only one port pin for communication

* Derives power from data line (“parasite power”)

* does not need a local power supply

* Multidrop capability simplifies distributed temperature sensing applications

* Requires no external components