发明授权
US6037890A Ultra high speed, low power, flash A/D converter utilizing a current
mode regenerative comparator
失效
超高速，低功耗，闪存A / D转换器利用电流模式再生比较器
- 专利标题： Ultra high speed, low power, flash A/D converter utilizing a current mode regenerative comparator
- 专利标题（中）： 超高速，低功耗，闪存A / D转换器利用电流模式再生比较器
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申请号： US940159申请日： 1997-09-30
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公开(公告)号： US6037890A公开(公告)日： 2000-03-14
- 发明人: Kevin W. Glass , Waleed Khalil , Bart R. McDaniel
- 申请人： Kevin W. Glass , Waleed Khalil , Bart R. McDaniel
- 申请人地址： CA Santa Clara
- 专利权人： Intel Corporation
- 当前专利权人： Intel Corporation
- 当前专利权人地址： CA Santa Clara
- 主分类号： G11C7/06
- IPC分类号： G11C7/06 ; H03K5/24 ; H03M1/36
摘要：
A method and apparatus for performing analog to digital conversion. A voltage to current converter converts an analog input voltage to an input current. A current reference generates a reference current. A plurality of scaling elements scaled the reference current to yield a plurality of scaled reference currents each corresponding to some voltage level within the dynamic range of the input voltage. The input current is compared to each of the scaled reference currents in a plurality of current comparators to generate a thermometer code from which a digital representation of the analog input voltage is derived.
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