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Question regarding the LM75BIM temperature sensor.
The datasheet says that “All part numbers of the LM75 will operate properly over the +VS supply voltage range of 3 V to 5.5 V. The devices are tested and
specified for rated accuracy at their nominal supply voltage.” [Page 5, Footnote (1)] then goes on to make specific -3 and -5 callouts at the top of section 6.5:
Unless otherwise noted, these specifications apply for: +VS = 5 Vdc for LM75BIM-5, LM75BIMM-5, LM75CIM-5, and
LM75CIMM-5; and +VS = 3.3 Vdc for LM75BIM-3, LM75BIMM-3, LM75CIM-3, and LM75CIMM-3(1)..
Based on this, I could use the -5 part and power it at 3.3V. Is my assumption correct?
Hi Garfield,
LM75BIM-5 may not meet specifications as written, notably temperature accuracy, if powered at 3.3V.
thanks,
ren