Sigma-delta analogue to digital converter
US12418302B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 24, 2023 |
| Grant date | Sep 16, 2025 |
| Priority date | — |
| Expiry date | Apr 1, 2044 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M3/39
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A sigma-delta ADC comprising: a first-input-resistor connected in series between a first-input-terminal and a first-feedback-node; a second-input-resistor connected in series between a second-input-terminal and a second-feedback-node; a third-input-resistor connected in series between a third-input-terminal and a third-feedback-node; a first-multiplexer-switch connected in series between the first-feedback-node and a first-amplifier-second-input-terminal; a second-multiplexer-switch connected in series between the second-feedback-node and a first-amplifier-first-input-terminal; a third-multiplexer-switch connected in series between the third-feedback-node and the first-amplifier-second-input-terminal; a first-feedback-current-source having a first terminal and second terminal, wherein the second terminal is connected to a reference-terminal; a second-feedback-current-source having a first terminal and second terminal, wherein the second terminal is connected to the reference-terminal; a first-feedback-selection-switch connected in series between the first-feedback-node and the first terminal of the first-feedback-current-source; a second-feedback-selection-switch connected in serie…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.