Sensor Possibilities (LISTS)
Posted: Fri 03 Dec 03 2010 11:50 am
Temperature sensors which go down to very low temperatures are mostly analogue output. The DS18S20 is the only digital in the list, has the most accuracy with the -55c minimum. Temperatures at altitude may go to -59c, however this sensor may read outside it's boundaries. Unfortunately, it is also the most expensive.
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Manufacturer Part Minimum Maximum Output Min Volt Max Volt Accuracy SMT PTH SMT CT Price Datasheet
Maxim Integrated Products MAX6605 -55°c 125°c Voltage 2.70v 5.50v 0.75°c SOT-323-5 - $5.17 http://datasheets.maxim-ic.com/en/ds/MAX6605.pdf
Maxim Integrated Products DS18S20 -55°c 125°c Digital 3.00v 5.50v 0.50°c SOIC-8 TO-92 $5.70 http://datasheets.maxim-ic.com/en/ds/DS18S20.pdf
Microchip Technology MCP9700 -40°c 125°c Voltage 2.30v 5.50v 1.00°c SOT-323-5 TO-92 $0.38 http://ww1.microchip.com/downloads/en/DeviceDoc/21942e.pdf
Analog Devices Inc TMP36 -40°c 125°c Voltage 2.70v 5.50v 1.00°c SOT-23-5 TO-92 $1.35 http://www.analog.com/static/imported-files/Data_Sheets/TMP35_36_37.pdf
Microchip Technology MCP9701 -40°c 125°c Voltage 3.10v 5.50v 1.00°c SOT-323-5 TO-92 $0.38 http://ww1.microchip.com/downloads/en/DeviceDoc/21942e.pdf
Microchip Technology TC1047 -40°c 125°c Voltage 2.50v 5.50v 0.50°c SOT-23-3 - $0.74 http://ww1.microchip.com/downloads/en/DeviceDoc/21498c.pdf
Microchip Technology TC1046 -40°c 125°c Voltage 2.50v 5.50v 0.50°c SOT-23-3 - $0.70 http://ww1.microchip.com/downloads/en/DeviceDoc/21496b.pdf