DS1721 - 2-Wire Digital Thermometer and Thermostat

Dallas

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Datasheet Details

Part number	DS1721
Manufacturer	Dallas
File Size	210.84 KB
Description	2-Wire Digital Thermometer and Thermostat
Datasheet	DS1721_Dallas.pdf

DS1721 Product details

Description

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 temperature readings which indicate the temperature of the device.Thermostatic settings and temperature readings are all communicated to/from the DS1721 over a simple 2-wire serial interface.No addition

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) of 150 ms Thermostatic settings are user-definable Data is read/written via a 2-wire serial interface (open drain I/O lines); 3-bit addressability Wide power supply range (2.7V - 5.5V).

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Published: Aug 15, 2005 |