发明名称 |
LIQUID CRYSTAL DRIVING APPARATUS |
摘要 |
<p>A voltage amplifier circuit (300) comprises: an input voltage generating unit (302) that generates an input voltage (VL1) based on a set value (SL); an operational amplifier (303) that amplifies the input voltage (VL1) such that the input voltage (VL1) becomes equal to a feedback voltage (VL3), thereby generating an output voltage (VL2); a feedback resistor unit (304) that performs a voltage division between the output voltage (VL2) applied to one end of the feedback resistor unit and a reference voltage (VL4) applied to the other end of the feedback resistor unit, thereby generating the feedback voltage (VL3); a selector control unit (305) that generates a selector control signal (SS) based on the set value (SL); and a selector (306) that selects, based on the selector control signal (SS), the reference voltage (VL4) from a plurality of candidates (GND/VR).</p> |
申请公布号 |
WO2010114014(A1) |
申请公布日期 |
2010.10.07 |
申请号 |
WO2010JP55827 |
申请日期 |
2010.03.31 |
申请人 |
ROHM CO., LTD.;YAKUMA HIROSHI;KUMAGAI MOTOYA;NAGAI TAKASHI;ITOU SUKENORI |
发明人 |
YAKUMA HIROSHI;KUMAGAI MOTOYA;NAGAI TAKASHI;ITOU SUKENORI |
分类号 |
H03F1/34;G09G3/20;G09G3/36;H03F3/45 |
主分类号 |
H03F1/34 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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