Title :
A five-digit analog-digital converter
Author :
Van De Plassche, Rudy J. ; Van Der Grift, Rob E J
Abstract :
The sigma-delta modulation principle is used in a five-digit plus-sign A/D converter. A simple auto-zero circuit is added to eliminate input-offset problems. Two input voltage ranges can be chosen in a cold-switched range-setting mode. The analog subsystem is implemented into two integrated circuits and contains nearly all necessary elements. Only a timer and up/down counter circuit are required to obtain the digital output signal.
Keywords :
Analogue-digital conversion; analogue-digital conversion; Analog-digital conversion; Capacitors; Clocks; Delta-sigma modulation; Density estimation robust algorithm; Digital control; Integrated circuit technology; Programmable logic arrays; Switches; Voltage;
Journal_Title :
Solid-State Circuits, IEEE Journal of
DOI :
10.1109/JSSC.1977.1050975
