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Understanding Single-Ended, Pseudo-Differential and Fully-Differential ADC Inputs


关键词: single-ended, signal conditioning, pseudo differential, fully differential, common mode rejection, CMRR, noise, ADC, a/d, analog digital, analog to digital, converters, convertors


Abstract: Many of today's instrumentation and process control applications convert the analog output of a sensor for processing and/or storage using an analog-to-digital converter (ADC). For voltage input ADCs, three different input structure types exist: Single-Ended, Pseudo-Differential and Fully-Differential. This tutorial explains the differences, advantages and tradeoffs between the input types.



Understanding Single-Ended, Pseudo-Differential and Fully-Differential ADC Inputs.pdf