The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 30, 2026
Filed:
Dec. 21, 2023
Nuvoton Technology Corporation Japan, Kyoto, JP;
Hitoshi Kobayashi, Osaka, JP;
Nuvoton Technology Corporation Japan, Kyoto, JP;
Abstract
An analog-to-digital conversion circuit includes: a first variable gain amplifier connected to an input terminal; a first AD converter connected to the first variable gain amplifier; a second variable gain amplifier connected to the input terminal; a second AD converter connected to the second variable gain amplifier; a selection circuit to which an output of the first AD converter and an output of the second AD converter are input, and which selects one of the outputs; and a control circuit that controls a gain change period of the first variable gain amplifier and a gain change period of the second variable gain amplifier in a relative manner.