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DS1821 Programmable Digital Thermostat and Thermometer

DS1821 Programmable Digital Thermostat and Thermometer Series Datasheet

The MAXIM INTEGRATED PRODUCTS DS1821 can function as a standalone thermostat with user-programmable trip-points or as 8-bit temperature sensor with a 1-Wire digital interface. The thermostat trip-points are stored in nonvolatile memory, so DS1821 units can be programmed prior to system insertion for true standalone operation. The DS1821 has an operating temperature range of –55°C to +125°C and is accurate to ±1°C over a range of 0°C to +85°C. Communication with the DS1821 is accomplished through the open-drain DQ pin; this pin also serves as the thermostat output.


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DS1821 DS182100 DS1821S DS1821S-LF
DS1821T
DS1821 Programmable Digital Thermostat and Thermometer Package Types
family combined
Small-Outline Integrated Circuit (SOIC)
DS1821 Programmable Digital Thermostat and Thermometer Series Part Photos
additional photos
Additional Images ( 1 )
DS1821 photos
DS1821 (2)
DS1821S photos
DS1821S (4)

DS1821 Programmable Digital Thermostat and Thermometer


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Ordering Information
Select from our Available Inventory for an Immediate Price Quote
DS1821 DS182100 DS1821S DS1821S-LF
DS1821T

DS1821 Programmable Digital Thermostat and Thermometer


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   - OR -   

Marking Information

DS1821 Programmable Digital Thermostat and Thermometer


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DS1821 Programmable Digital Thermostat and Thermometer Part Photos
additional photos
DS1821 Programmable Digital Thermostat and Thermometer
DS1821 photos
DS1821
DS1821 photos
DS1821
DS1821S photos
DS1821S
DS1821S photos
DS1821S
DS1821S photos
DS1821S
DS1821S photos
DS1821S

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