Temperature sensors national semiconductor lm35cz precision centigrade temperature sensor 04c accuracy 4v to 30v supply voltage 40 to 110c to 92 case the lm35 series are precision integrated circuit temperature sensors whose output voltage is linearly proportional to the celsius centigrade temperature low cost due to wafer level trimming calibrated directly in celsius low self heating low output impedance linear output precise inherent calibration rated to operate over a