D/A converter and driving circuit using the same

A D/A converter and the circuit using the same is provided. The D/A converter has small structure area and can stabilize and output a plurality of gradation voltage signal. The D/A converter includes a voltage generation circuit, a first control circuit, a second control circuit, and a third control...

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Main Authors TERAISHI, TOSHIO, LAN, SHIMING
Format Patent
LanguageChinese
English
Published 16.01.2006
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Abstract A D/A converter and the circuit using the same is provided. The D/A converter has small structure area and can stabilize and output a plurality of gradation voltage signal. The D/A converter includes a voltage generation circuit, a first control circuit, a second control circuit, and a third control circuit. The voltage generation circuit uses the voltage drop of the resistance to generate a plurality of base voltages as the gradation voltage. The first control circuit chooses one of the base voltages as a first output voltage. The second control circuit chooses the base voltage corresponding to the first output voltage and near the gradation voltage as a second output voltage. The third control circuit includes a third output voltage, a first resistance, a first switch, a second resistance, and a second switch. The third output voltage is corresponding to the first output voltage and the second output voltage. The first resistance and the first switch are between the first output voltage and the third output
AbstractList A D/A converter and the circuit using the same is provided. The D/A converter has small structure area and can stabilize and output a plurality of gradation voltage signal. The D/A converter includes a voltage generation circuit, a first control circuit, a second control circuit, and a third control circuit. The voltage generation circuit uses the voltage drop of the resistance to generate a plurality of base voltages as the gradation voltage. The first control circuit chooses one of the base voltages as a first output voltage. The second control circuit chooses the base voltage corresponding to the first output voltage and near the gradation voltage as a second output voltage. The third control circuit includes a third output voltage, a first resistance, a first switch, a second resistance, and a second switch. The third output voltage is corresponding to the first output voltage and the second output voltage. The first resistance and the first switch are between the first output voltage and the third output
Author LAN, SHIMING
TERAISHI, TOSHIO
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