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.

Date of Patent:
Sep. 15, 2020

Filed:

Oct. 23, 2019
Applicant:

Samsung Electro-mechanics Co., Ltd., Suwon-si, KR;

Inventors:

Ji Buem Chun, Suwon-si, KR;

Joon Hyung Lim, Suwon-si, KR;

Jin Kim, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/06 (2006.01); H03M 1/10 (2006.01); H03M 1/12 (2006.01);
U.S. Cl.
CPC ...
H03M 1/0607 (2013.01); H03M 1/06 (2013.01); H03M 1/10 (2013.01); H03M 1/12 (2013.01);
Abstract

A dual-slope analog-to-digital converter includes a switching circuit, an integrating circuit, a dual comparison circuit, and a control circuit. The integrating circuit is configured to perform a charging operation having a first slope, based on a magnitude of an input voltage selected by the switching circuit, and a discharging operation having a second slope, based on a magnitude of the reference voltage selected by the switching circuit, and output a first voltage. The dual comparison circuit is configured to output a first comparison signal by comparing the first voltage with a first reference voltage and output a second comparison signal by comparing a second reference voltage, higher than the first reference voltage, with the first voltage. The control circuit is configured to output a digital value corresponding to the magnitude of the input voltage, based on a first count value and a second count value.


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