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Hi Team,
Customer is trying to understand if their condition is 24V single Supply, they need LM35 to measure -30C to 70C.
They can just just follow Datasheet Figure.18 circuit config as below, correct?
1N914 purpose is to offset the 0C output voltage to 2 diode drop (say 1.0V), so at -30C, we expect to see 1.0V at output-, 0.7V at output+, correct?
Thanks.
Andrew
Andrew,
The transfer function is :
Vout (wrt GND)= 2Vd + 10mV/C.
In your case, Vout (wrt GND) = 1V+10mV/C*(-30C) = 0.7V
-Kelvin