| 摘要 |
PROBLEM TO BE SOLVED: To provide an offset voltage correcting device and its method requiring a less amount of data to be stored in a memory by storing in the memory data for the correction amount of offset voltage in the compressed condition. SOLUTION: The temperature of a semiconductor physical value sensor is detected by a temperature sensor 11a, correction data a<SB>T</SB>at the detected temperature T is read out of a storage element 12a, the read correction data a<SB>T</SB>is restored at a preset multiplying powerα, a correction amountγof the offset voltage at the detected temperature T is calculated and the correction amount is subtracted from the output voltage of the semiconductor physical value sensor, whereby the offset voltage is corrected. COPYRIGHT: (C)2004,JPO
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