The LM335D is a Precision Temperature Sensor which can be easily calibrated. They operate as a 2-terminal Zener and the breakdown voltage is directly proportional to the absolute temperature at 10mV/°K. The circuit has a dynamic impedance of less than 1R and operates within a range of current from 450μA to 5mA without alteration of its characteristics. Calibrated at +25°C, the device has a typical error of less than 1°C over a 100°C temperature range. The LM335 has a linear output.
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