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DS1821

Maxim Integrated
Part Number DS1821
Manufacturer Maxim Integrated
Description Programmable Digital Thermostat/Thermometer
Published Dec 20, 2018
Detailed Description 19-6322; Rev 6/12 DS1821 Programmable Digital Thermostat and Thermometer FEATURES  Requires no external components  ...
Datasheet PDF File DS1821 PDF File

DS1821
DS1821

Overview
19-6322; Rev 6/12 DS1821 Programmable Digital Thermostat and Thermometer FEATURES  Requires no external components  Unique 1-Wire® interface requires only one port pin for communication  Operates over a -55°C to +125°C (-67°F to +257°F) temperature range  Functions as a standalone thermostat with user-definable trip-points  Provides 8-bit (1°C resolution) centigrade temperature measurements  Accuracy is ±1°C over 0°C to +85°C range  Converts temperature to a digital word in 1 second (max)  Available in 3-pin TO92 and 8-pin SO packages  Applications include thermostatic controls, industrial systems, consumer products, thermometers, or any thermally sensitive system 1-Wire is a registered trademark of Maxim Integrated Products, Inc.
PIN ASSIGNMENT DS1821 12 3 DQ GND NC NC 1 2 3 4 DS1821S 8 VDD 7 NC 6 NC 5 NC 8-pin 208-mil SO (DS1821S) GND DQ VDD 12 3 (BOTTOM VIEW) TO92 (DS1821C) PIN DESCRIPTION GND - Ground DQ - Data In/Out and Thermostat O...


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