Analog-to-digital converter
US6891495B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 2, 2003 |
| Grant date | May 10, 2005 |
| Priority date | — |
| Expiry date | Jun 2, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M1/447
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An analog-to-digital converter including analog-to-digital converting units connected in serial. The current comparator includes a current input terminal to receive a sampling current, a reference current input terminal to receive a reference current and a bit output terminal for outputting a bit signal. The current operation circuit includes a current output terminal for outputting a compared current according to the sampling current and the reference current. The operation controlling terminal selects the compared current according to the bit signal. The controlling terminal receives a clock signal to latch the bit signal. The analog-to-digital converting units output the bit signals in sequence in a period of the clock signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.