SUCCESSIVE APPROXIMATION RESISTER ANALOG-TO-DIGITAL CONVERTER HAVING SEPARABLE DUAL CAPACITOR ARRAY

Title:

SUCCESSIVE APPROXIMATION RESISTER ANALOG-TO-DIGITAL CONVERTER HAVING SEPARABLE DUAL CAPACITOR ARRAY

Document Type and Number:

WIPO Patent Application WO/2016/017898

Kind Code:

A1

Abstract:

Disclosed is a successive approximation resister analog-to-digital converter having a separable dual capacitor array. The disclosed successive approximation resister analog-to-digital converter comprises: a dual capacitor array comprising a first capacitor array for converting the upper bits from among n bits, and a second capacitor array for converting the lower bits from among the n bits; a comparator for comparing the level signal outputted from the first capacitor array and the level signal outputted from the second capacitor array; and a SAR logic circuit for converting the analog input voltage to a digital signal of n bits by utilizing the results of the comparison, wherein the first capacitor array comprises a 1-1 capacitor unit and a 1-2 capacitor unit, and the second capacitor array comprises a 2-1 capacitor unit and a 2-2 capacitor unit, each capacitor unit comprising a plurality of capacitors connected in parallel.

Inventors:

BAEK KWANG HYUN (KR)
CHO SEONG JIN (KR)
KIM JU EON (KR)
LEE CHANG WOO (KR)

Application Number:

PCT/KR2015/003547

Publication Date:

February 04, 2016

Filing Date:

April 09, 2015

Export Citation:

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Assignee:

UNIV CHUNG ANG IND (KR)

International Classes:

H03M1/38

Foreign References:

US8004447B2	2011-08-23
KR20140087375A	2014-07-09
KR20140057027A	2014-05-12
US5581252A	1996-12-03

Attorney, Agent or Firm:

SONG, IN-HO (KR)
송인호 (KR)

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