| 摘要 |
A training method of a digital-analog converter is provided. The digital-analog converter comprises a plurality of parallel capacitors, each of which is floatingly coupled to a plurality of correcting capacitors. Two voltages outputted from the digital-analog converter are received and compared. When a latter output voltage is lower than or equal to a former output voltage, the correcting capacitor is used to correct the capacitor corresponding to the latter output voltage until the latter output voltage is higher than the former output voltage. When the latter output voltage is higher than the former output voltage, a new voltage is outputted from the digital-analog convert and compared with the latter output voltage. The steps of comparing and correcting are repeated until every latter output voltage is higher than every former output voltage.
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