SUCCESSIVE APPROXIMATION REGISTER-BASED REFERENCE ANALOG-TO-DIGITAL CONVERTER WITH LOW-COMPLEXITY DYNAMIC ELEMENT MATCHING

A switched-element digital-to-analog converter (DAC) circuit for use, for example, in a successive-approximation register, SAR, analog-to-digital converter, ADC. The DAC circuit comprises a pool of unary circuit elements (410), each having a common nominal weighting value, and switching (420) and mu...

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Hauptverfasser: IVANISEVIC, Nikola, SUNDSTRÖM, Lars
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SUNDSTRÖM, Lars
description A switched-element digital-to-analog converter (DAC) circuit for use, for example, in a successive-approximation register, SAR, analog-to-digital converter, ADC. The DAC circuit comprises a pool of unary circuit elements (410), each having a common nominal weighting value, and switching (420) and multiplexer (430) arrangements configured so that each unary circuit element (410) in the pool can be independently associated with any one of two or more bits of the switched-element DAC. La présente divulgation concerne un circuit convertisseur numérique-analogique (CNA) à élément commuté destiné à être utilisé, par exemple, dans un convertisseur analogique-numérique, CAN, à registre à approximations successives, SAR, Le circuit CNA comprend un groupe d'éléments de circuit unaire (410), chacun ayant une valeur de pondération nominale commune, et des agencements de commutation (420) et de multiplexeur (430) configurés de telle sorte que chaque élément de circuit unaire (410) dans le groupe peut être associé indépendamment à l'un quelconque d'au moins deux bits du CNA à élément commuté.
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subjects BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRICITY
title SUCCESSIVE APPROXIMATION REGISTER-BASED REFERENCE ANALOG-TO-DIGITAL CONVERTER WITH LOW-COMPLEXITY DYNAMIC ELEMENT MATCHING
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