DS1721 Datasheet - Dallas

DS1721 2-Wire Digital Thermometer and Thermostat

SDA SCL GND TOUT A0 A1 A2 VDD - 2-Wire Serial Data Input/Output - 2-Wire Serial Clock - Ground - Thermostat Output Signal - Chip Address Input - Chip Address Input - Chip Address Input - Power Supply Voltage (+5V) DESCRIPTION The DS1721 2-Wire Digital Thermometer and Thermostat provides 12-bit temp.

DS1721 Features

* Temperature measurements require no external components with ±1°C accuracy Measures temperatures from -55°C to +125°C; Fahrenheit equivalent is -67°F to +257°F Temperature resolution is configurable from 9 to 12 (default) bits (0.5°C to 0.0625°C resolution) Maximum conversion time (9-bit resolution)

DS1721_Dallas.pdf