Patent · US Expired

High-precision and high-speed analog/digital converter having low power consumption

US4999631A · kind A · utility

11Cited by
11References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 30, 1989
Grant dateMar 12, 1991
Priority date
Expiry dateJun 30, 2009

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03M1/365
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

This invention discloses an analog/digital converter including comparator groups in which each comparator is constituted by bipolar transistors, for comparing reference voltages with an analog input voltage, and means for obtaining a digital converted value corresponding to the analog input voltage, in accordance with comparison results of in the comparator groups.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.