N-bit hybrid structure analog-to-digital converter and integrated circuit chip including the same
US10965304B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 6, 2018 |
| Grant date | Mar 30, 2021 |
| Priority date | — |
| Expiry date | Nov 6, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M1/468
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
The present application discloses an N-bit hybrid-structure analog-to-digital converter and an integrated circuit chip including the same, including a pre-stage sampling capacitor array, a post-stage capacitor array and a comparator set and the pre-stage sampling capacitor array including a number of 2N−1 sets of first capacitor array units arranged in parallel, the first capacitor array unit including two sets of parallel capacitor strings, input terminals of parallel capacitor strings respectively being connected to and switchable between differential analog signals and first preset reference signals, output terminals of the parallel capacitor strings respectively being connected to input terminals of the comparator set, input terminals of the post-stage capacitor array respectively being connected to and switchable between output terminals of the comparator set and differential analog signals, output terminals of the post-stage capacitor array being configured as an output terminal of the analog-to-digital converter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.