A/D converter circuit and semiconductor integrated circuit

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9124284
APP PUB NO 20150188555A1
SERIAL NO

14579049

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Abstract

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An analog-to-digital converter circuit having a simple design and capable of preventing an increase in surface area and other problems. An analog-to-digital converter circuit for converting an analog input signal to a digital quantity includes an analog-to-digital converter unit that converts analog input signals to pre-correction digital values, and a corrector unit that digitally corrects the pre-connection digital values output from the analog-to-digital converter unit. The corrector unit includes a weighting coefficient multiplier unit that outputs a post-correction digital value obtained by multiplying the weighting coefficients provided for each bit by each bit of the pre-correction digital value output from the A/D converter unit and summing them, and a weighting coefficient search unit that searches for weighting coefficients so as to minimize an error signal generated based on the post-correction digital value and an approximate value for the post-correction digital value.

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Patent Owner(s)

Patent OwnerAddress
RENESAS ELECTRONICS CORPORATION135-0061 TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kimura, Keisuke Kanagawa, JP 130 570
Nakane, Hideo Kanagawa, JP 23 183
Okuda, Yuichi Kanagawa, JP 65 760
Yamamoto, Takaya Kanagawa, JP 70 734

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