Comparison of the DS18B20 and DS18S20 1-Wire® Digital Thermometers

Abstract:TheDS18B20andDS18S20aretwoverypopular1-Wiredigitalthermometers.Thisapplicationnoteexplainsthesimilaritiesanddifferencesbetweenthesetwoparts,andguidescustomersinselectingthebestpartforanapplication.ComparisonoftheDS18B20andDS18S201-WireDigitalThermometersMar18,2009Abstract:TheDS18B20andDS18S20aretwoverypopular1-Wiredigitalthermometers.Thisapplicationnoteexplainsthesimilaritiesanddifferencesbetweenthesetwoparts,andguidescustomersinselectingthebestpartforanapplication.IntroductionTheDS18B20andDS18S201-Wiredevicesarebothpopularandexcellentchoicesforanyapplicationrequiringdigitalthermometers.Bothdevicesofferthesameresolutionandaccuracy.Thetwopartsdifferonlyinhowthedataispresentedtotheuser.Thisapplicationnotedescribeshowthedevicesworkandthedifferencesbetweenthem.Applicationsforeachdevicearerecommended.HowtheDevicesWorkTheDS18B20andDS18S20bothusethesamebasedesign.Temperat