Converter comparator cell with improved resolution

Details Converter comparator cell with improved resolution Converter comparator cell with improved resolution

1991-01-29

1992-08-18

Logan, Sharon D.

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

341158, H03M 136, H03M 134

Patent

active

051403269

ABSTRACT:
A comparator having a differential sense amplifier connected to the output of an input comparator, and the decoding logic connected between the sense amplifier and the output latch. The comparator is designed for a flash A/D converter having a reference signal generator for one or more of the sense amplifiers.

REFERENCES:
patent: 4028558 (1977-06-01), Heller et al.
patent: 4338592 (1982-07-01), Wilensky
patent: 4449118 (1984-05-01), Dingwall et al.
patent: 4461965 (1984-07-01), Chin
patent: 4691189 (1987-09-01), Dingwall et al.
patent: 4695748 (1987-09-01), Kumamoto
patent: 4745393 (1988-05-01), Tsukada et al.
patent: 4854383 (1989-07-01), Iida
A/D Converters Background Information; ILC-DDC Product Catalog (1981).
ICAN-6956 CMOS/SOS Flush A/D Converter, the CA3300, Operates at Video Speed on Low Power; GE Solid State Flyer.
Data Acquisition & Conversion Handbook; H. Schmid 1970.
Monolithic Expandable 6 Bit 20 MHz CMOS/SOS A/D Converter; by Dingwall-IEEE J. Solid-State Circuits, vol. SC-14 (Dec. 79).

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