A/D converter with voltage generation circuits

Details A/D converter with voltage generation circuits A/D converter with voltage generation circuits

2008-06-03

2008-06-03

Nguyen, Khai M. (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S156000, C341S158000, C341S161000, C341S162000, C341S163000, C341S164000, C341S172000

Reexamination Certificate

active

07382302

ABSTRACT:
An A/D converter has a first voltage generation circuit, a second voltage generation circuit, a comparator, first and second switch circuits connected in series between an input terminal of an analog input voltage and an output terminal of the first voltage generation circuit, a first capacitor inserted between a connection node between the first and second switch circuits and the first input terminal, a second capacitor inserted between an output terminal of the second voltage generation circuit and the second input terminal, a third switch circuit, a fourth switch circuit, an A/D converter which generates a digital signal in accordance with signal level of the first output terminal, and a voltage setting circuit which sets a voltage to be outputted from the first and second voltage generation circuits based on the digital signal.

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patent: 6-181435 (1994-06-01), None

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