DS1822

DS1822 Econo 1-Wire Digital Thermometer BENEFITS AND FEATURES Unique 1-Wire® Interface Requires Only One Port Pin for Communications o Can Be Powered from Data Line o Power-Supply Range is 3.0V to 5.5V Reduced Component Count with Integrated Temperature Sensor and Interface o Requires No External Components o Measures temperatures from -55°C to +125°C (-67°F to +257°F) o ±2.0°C Accuracy from -10°C to +85°C o Thermometer Resolution is User-Selectable from 9 to 12 Bits o Converts Temperature to 12-Bit Digital Word in 750ms (max) Simplifies Distributed Temperature Sensing with Multidrop Capability o Each Device Has a Unique 64-Bit Serial Code Stored in an On-Board Device o Flexible, User-Definable Nonvolatile (NV) Alarm Settings with Alarm Search Command Identifies Devices with Temperatures Outside Programmed Limits o Software compatible with the DS18B20 Applications Include Thermostatic Controls, Industrial Systems, Consumer Products, Thermometers, or Any Therma...