Monolithic triple diffusion analog to digital converter

Details Monolithic triple diffusion analog to digital converter Monolithic triple diffusion analog to digital converter

1979-03-19

1981-06-30

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

358 13, H03K 13175

Patent

active

042765439

ABSTRACT:
A parallel analog-to-digital converter having high speed and high resolution, fabricated on a single integrated-circuit chip in such a manner as to avoid problems typically associated with high speed parallel converters. The converter disclosed by way of example has an eight-bit output, 256 matched comparators for quantizing an analog input signal, and encoding and latching logic for deriving digital outputs from the comparators. Problems related to comparator mismatching, high comparator input capacitance and high comparator input bias current, are effectively minimized by the use of a triple diffusion fabrication process, which substantially reduces the number of defects in the circuit and provides a relatively high component packing density.

REFERENCES:
patent: 3981072 (1976-09-01), Buie
Nordstrom, "IEEE International Solid-State Circuits Conference", 1976, p. 150.
Breuer, "IEEE International Solid-State Circuits Conference", 1972, pp. 146-147.

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