Analog-to-digital converting device and related calibration method and calibration module
US9467159B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 3, 2015 |
| Grant date | Oct 11, 2016 |
| Priority date | — |
| Expiry date | Nov 3, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M1/468
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An analog-to-digital converting device includes a converting module, for sampling an analog input voltage according to a plurality of sampling signals to generate a comparing voltage and generating a comparing signal according to the comparing voltage, wherein the converting module comprises a plurality of capacitors and each of the plurality of capacitors couples between one of the plurality sampling signals and the comparing voltage; a control module, for adjusting the plurality of sampling signals according to the comparing signal, to generate a digital signal corresponding to the analog input voltage, wherein a plurality of bits of the digital signal are respectively corresponding to the capacitances of the plurality of capacitors; and a calibration module, for adjusting the capacitances of the plurality of capacitors according to the digital signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.