发明授权
- 专利标题: D/A converter and reference voltage circuit including same
- 专利标题(中): D / A转换器和包括其的参考电压电路
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申请号: US12457363申请日: 2009-06-09
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公开(公告)号: US07903012B2公开(公告)日: 2011-03-08
- 发明人: Takahiro Inoue , Hideki Shioe
- 申请人: Takahiro Inoue , Hideki Shioe
- 申请人地址: JP Osaka
- 专利权人: Sharp Kabushiki Kaisha
- 当前专利权人: Sharp Kabushiki Kaisha
- 当前专利权人地址: JP Osaka
- 代理机构: Harness, Dickey & Pierce, PLC
- 优先权: JP2008-155987 20080613
- 主分类号: H03M3/00
- IPC分类号: H03M3/00
摘要:
A variable resistor is connected to each terminal of (2^n)−1 resistors R connected in series. The variable resistors have resistances RH and RL determined according to a digital signal containing m lower bits LoB .