Analog to digital converter

Details Analog to digital converter Analog to digital converter

1994-10-05

1997-05-13

Deboer, Todd

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

341158, 341161, 341162, 327 80, H03M 166

Patent

active

056297025

ABSTRACT:
An analog to digital converter comprises: first to n.sup.th comparators, having a tandem structure, for comparing an input voltage signal with first to n.sup.th reference voltages and outputting first to n.sup.th bit outputs respectively, said n being a natural number more than one, said first comparator outputting a most significant bit of said first bit output; a first reference voltage generation circuit for generating said first reference voltage; second to n.sup.th reference voltage generation circuits for generating said second to n.sup.th reference voltages, p.sup.th reference voltages being generated in accordance with outputs of said first to (p-1).sup.th comparators, said p being a natural number and l<p<n.

REFERENCES:
patent: 3968486 (1976-07-01), Gerdes
patent: 4542370 (1985-09-01), Yamada et al.
patent: 5014054 (1991-05-01), Oshita et al.
"Reference Voltage of a Window Comparator" (w/partial English translation), No date.
"Individual Voltage Comparing Type A/D Converter" (w/partial English translation), No date.

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