Update: 30 September, 2023
The DS1821 is a programmable digital thermostat and thermometer from Texas Instruments that uses a unique 1-Wire interface that requires only one port pin for communication. It operates over a temperature range of -55°C to +125°C and has user-definable trip points. It provides 8-bit (1°C resolution) centigrade temperature measurements with an accuracy of ±1°C over a range of 0°C to +85°C. It can convert temperature to a digital word in 1 second (max) and is available in 3-pin PR35 and 8-pin SO packages. Applications include thermostatic controls, industrial systems, consumer products, thermometers, or any thermally sensitive system.
File format: PDF
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MD5 Checksum: E4DD3A4F76445D8CDBD08E61668B720A
Publication date: 11 April, 2012
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PDF Link: DALLAS DS1821 Manual PDF