发明名称 |
Current steering type D/A converter |
摘要 |
A current steering type D/A converter comprises a D/A conversion circuit having plural current sources each outputting a predetermined current, and a logic circuit for selecting desired current sources from among the plural current sources; a reference voltage generation circuit for generating a reference voltage potential that determines an output current value of the D/A conversion circuit; and a control circuit for setting the D/A conversion circuit in the ON state or OFF state by controlling switch elements which are placed between the D/A conversion circuit and the reference voltage generation circuit. Therefore, current consumption of the current steering type D/A converter can be reduced.
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申请公布号 |
US6590516(B2) |
申请公布日期 |
2003.07.08 |
申请号 |
US20020156762 |
申请日期 |
2002.05.29 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
INAGAKI YOSHITSUGU;IKOMA HEIJI |
分类号 |
H03M1/00;H03M1/74;(IPC1-7):H03M1/66 |
主分类号 |
H03M1/00 |
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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