D/A conversion circuit, oscillator, electronic apparatus, and moving object

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United States of America Patent

PATENT NO 9559718
APP PUB NO 20160226510A1
SERIAL NO

15013132

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A D/A conversion circuit includes a plurality of resistors that are formed on a semiconductor substrate and that are connected in series to each other and a plurality of switches that are connected to the plurality of resistors, respectively, in which the plurality of resistors are configured using resistive element and a plurality of contacts that are provided to the resistive element, in which the plurality of switches are arranged side by side along a first direction when the semiconductor substrate is viewed from above, in which distances in the first direction between the plurality of contacts are equal to each other, and in which lengths in a second direction that is perpendicular to the first direction, of the plurality of resistors are unequal to each other.

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Patent Owner(s)

  • SEIKO EPSON CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukuzawa, Akihiro Hino, JP 33 214

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