Comparator for an analog to digital converter

Details Comparator for an analog to digital converter Comparator for an analog to digital converter

1996-11-05

1998-08-25

Young, Brian K.

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

H03M 112

Patent

active

057987254

ABSTRACT:
An improved method and apparatus related to a comparator particularly suited for use in an A/D converter so as to obtain a high resolution, which results in a reduced circuit area and operates with low power consumption. To compare an analog input voltage and reference voltages, the comparator includes chopper type comparators for producing comparison voltages and determination signals, and includes a determination circuit for producing one or more additional determination signals. The chopper type comparators may further include amplifiers and determination circuits.

REFERENCES:
patent: 4539551 (1985-09-01), Fujita et al.
patent: 4893124 (1990-01-01), Tsuji et al.
patent: 5262686 (1993-11-01), Kurosawa
patent: 5546028 (1996-08-01), Yamaguchi
patent: 5570091 (1996-10-01), Noro et al.
patent: 5583503 (1996-12-01), Kusakabe

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