Patent ID: 7692476

Claim:
A temperature compensating circuit for correcting an output voltage of a temperature sensor circuit with respect to an actual temperature, the temperature compensating circuit comprising: a first current output means for outputting a first current based on a supply voltage and a first resistor having a first temperature characteristic; a second current output means for outputting a second current based on the supply voltage and a second resistor having a second temperature characteristic; a connection point that is supplied with a current based on the first current and a current based on the second current which are different in polarity from each other; and a current mirror circuit for supplying a determined current to the connection point, depending on a difference between the current based on the first current and the current based on the second current; wherein an output voltage of the temperature compensating circuit is determined at the connection point and the output voltage differs as the determined current changes depending on whether the actual temperature is higher or lower than a set temperature; and wherein correction of the temperature when the temperature is higher than the set temperature and the correction of the temperature when the temperature is lower than the set temperature, are conducted within a single temperature compensating circuit, thereby maintaining continuity of the correction of the temperature at different set temperatures.