发明名称 |
Analog-to-digital flash converter for generating a thermometric digital code |
摘要 |
A flash analog-to-digital converter includes a bank of comparators with a differential output, generating a thermometric code, and a bank of three-input logic NOR gates. The converter has enhanced immunity to noise and reduced imprecisions by providing for a passive interface including a plurality of voltage dividers each connected between the noninverted output of a respective comparator and the inverted output of the comparator of higher order of the bank. A corresponding logic NOR gate of the bank has a first input coupled to the inverted output of the respective comparator, a second input coupled to the noninverted output of the comparator of higher order and a third input coupled to an intermediate node of the voltage divider.
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申请公布号 |
US6346905(B1) |
申请公布日期 |
2002.02.12 |
申请号 |
US19990447065 |
申请日期 |
1999.11.22 |
申请人 |
STMICROELECTRONICS S.R.L. |
发明人 |
OTTINI DANIELE;BRUCCOLERI MELCHIORRE;BOLLATI GIACOMINO;DEMICHELI MARCO |
分类号 |
H03M1/36;H03M1/08;H03M1/12;(IPC1-7):H03M13/00 |
主分类号 |
H03M1/36 |
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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