A/d converter

阅读:458发布:2021-02-06

专利汇可以提供A/d converter专利检索,专利查询,专利分析的服务。并且PURPOSE: To shorten the time for an entire A/D conversion by shortening the time of an undesired data for the A/D conversion among plural analog input signals.
CONSTITUTION: A reference data is set to a comparison value setting register 1, and a comparator 6 compares the selected analog input signal 4 with a data set to the comparison value setting register 1 at first. Then a deciding circuit 9 detects whether or not the selected analog input signal 4 is an undesired data. When it is judged that the selected analg input signal 4 is required, the A/D conversion is implemented by connecting a successive approximation register 2 and one input of comparator 6 and the output of the comparator 6 and the successive approximation register 2. The result of comparison as to the data judged to be undesired is stored in a comparison result storage register 7. The time required for A/D conversion of plural analog input signals 4 is shortened.
COPYRIGHT: (C)1992,JPO&Japio,下面是A/d converter专利的具体信息内容。

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