DS1822 Econo 1-Wire Digital Thermometer

The DS1822 is a digital thermometer with 2C accuracy over a -10C to +85C range. Data is read out over a 1-Wire serial bus in 2's complement format with 9 to 12 bits of resolution (user-programmable).
The DS1822 offers thermostatic functionality with over-temperature (TH) and under-temperature (TL) user-programmable setpoints stored in on-chip EEPROM An internal flag is set when the measured temperature is greater than TH or less than TL. If thermostatic operation is not required, the two bytes of EEPROM reserved for TH and TL may be used for general-purpose nonvolatile storage.
Each DS1822 features a unique and unchangeable 64-bit silicon serial number, which serves as the bus address for the Sensor This allows multiple DS1822 devices to coexist on the same 1-Wire bus. The DS1822 may be locally powered via a 3.0V to 5.5V supply, or power CAN be derived from the 1-Wire data line ("parasite power").
The DS1822 is offered in 3-pin TO-92 DS1822 and 150mil 8-pin SO DS1822Z packages. In addition, the DS1822 is available in a parasite-power only version, the DS1822-PAR. Also available is the high-precision DS18B20 which provides 0.5C accuracy and is software-compatible with the DS1822.
By Maxim Integrated Products
DS1822 's PackagesDS1822 's pdf datasheet
DS1822Z SOIC
DS1822ZT-R SOIC
DS1822PAR TO92
DS1822T-R TO92




DS1822 Pinout, Pinouts
DS1822 pinout,Pin out
This is one package pinout of DS1822,If you need more pinouts please download DS1822's pdf datasheet.

DS1822 Application circuits
DS1822 circuits
This is one application circuit of DS1822,If you need more circuits,please download DS1822's pdf datasheet.


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