Title:
SAR ADC HAVING ACCURATE SPLIT CAPACITOR
Document Type and Number:
WIPO Patent Application WO/2019/227874
Kind Code:
A1
Abstract:
An array of capacitors includes a first array of k capacitors coupled to a first node and having capacitances which are binary weighted multiples of a unit capacitance value, a second array of m capacitors coupled to a second node and having capacitances which are binary weighted multiples of the unit capacitance value, a coupling capacitor disposed between the first node and the second node, and a trimmable grounded capacitor coupled between the first node and a ground potential.
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| JP3468502 | COMPARATOR |
| JPS6453630 | A/D CONVERTER |
| JPS5596727 | SUCCESSIVE COMPARISON-TYPE A/D CONVERTER |
Inventors:
EMIRA AHMED (CN)
ABOUDINA MOHAMED (CN)
ABOUDINA MOHAMED (CN)
Application Number:
PCT/CN2018/116966
Publication Date:
December 05, 2019
Filing Date:
November 22, 2018
Export Citation:
Assignee:
SHENZHEN GOODIX TECH CO LTD (CN)
International Classes:
H03M1/38; H03M1/10; H03M1/12; H03M1/66
Foreign References:
| US20100039303A1 | 2010-02-18 | |||
| CN103583002A | 2014-02-12 | |||
| US20140285370A1 | 2014-09-25 | |||
| KR20160084686A | 2016-07-14 | |||
| KR101299215B1 | 2013-08-22 | |||
| CN102244067A | 2011-11-16 | |||
| US20120075128A1 | 2012-03-29 | |||
| US20030197636A1 | 2003-10-23 |
Other References:
See also references of EP 3593454A4
Attorney, Agent or Firm:
LEADER PATENT & TRADEMARK FIRM (CN)
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