发明名称 |
Multi-Level Feed-Back Digital-To-Analog Converter Using A Chopper Voltage Reference For A Switched Capacitor Sigma-Delta Analog-To-Digital Converter |
摘要 |
A multi-bit digital-to-analog converter has a reference voltage generator generating a reference voltage with an offset voltage; a switched capacitor stage for generating a plurality of output voltages; and a switching sequencer controlling the switched capacitor stage operable to generate switching patterns for each output voltages, wherein each pattern has a charge phase and a transfer phase, and wherein for at least one output voltage the switching sequencer provides two switching patterns wherein each switching pattern contributes an offset of opposite polarity.
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申请公布号 |
US2010103014(A1) |
申请公布日期 |
2010.04.29 |
申请号 |
US20090581982 |
申请日期 |
2009.10.20 |
申请人 |
MICROCHIP TECHNOLOGY INCORPORATED |
发明人 |
QUIQUEMPOIX VINCENT;DEVAL PHILIPPE |
分类号 |
H03M3/00;H03M1/66 |
主分类号 |
H03M3/00 |
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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