Hi, anyone here can help me design a temp alarm sensor for a freezer? the temp required is -40 to -50 degrees celcius only. Anything beyond this limit an alarm will sound. I was hoping to use the AD7314 for this project...
The AD7314 is only rated from -35°C to +85°C.
Some devices that may interst you for this project are:
information on this part and its variants can be found Here http://www.analog.com/static/imported-files/data_sheets/ADT6501_6502_6503_6504.pdf
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