Hackaday

Tearing Into Delta Sigma ADC’s

It’s not surprising that Analog to Digital Converters (ADC’s) now employ several techniques to accomplish higher speeds and resolutions than their simpler counterparts. Enter the Delta-Sigma (Δ∑) ADC ...
EDN

ADC Basics, Part 4: Using Delta-Sigma ADCs in Your Design

The delta-sigma ADC tackles the application demands of a slow analog signal that requires a high signal-to-noise-ratio (SNR) and wide dynamic range. But, the delta-sigma converter is not the only ...
Hackaday

Tearing Into Delta Sigma ADCs Part 2

In part one, I compared the different Analog to Digital Converters (ADC) and the roles and properties of Delta Sigma ADC’s. I covered a lot of the theory behind these devices, so in this installment, ...
EDN

Three ways of looking at a sigma-delta ADC device

The growing availability of digital ICs like microcontrollers, microprocessors, and field-programmable gate arrays (FPGAs) allows developers to use complex digital processing techniques rather than ...
Electronic Design

Using Delta-Sigma Can Be As Easy As ADC (Part 4)

Based on the amount of e-mail I received after Part 3 of this series (Nov. 7, 2008, p. 18; www.electronicdesign.com, ED Online 19948), many of you have already guessed that an incremental integrator ...
EDN

ADC Basics, Part 2: SAR & Delta-Sigma ADC Signal Path

Generally, you will find the SAR (successive-approximation-register) and delta-sigma (??) analog-to-digital converters (ADCs) in lower frequency applications. The signal chain for these applications ...
Electronic Design

18-Bit SAR, 20-Bit Delta-Sigma ADCs Up The Ante On Converter Specs

A new 18-bit successive-approximation-register (SAR) converter and a 20-bit delta-sigma unit expand the speed and accuracy envelopes for analog-to-digital converters (ADCs). Made by Analog Devices, ...
Electronic Design

The Real World Versus Your ADC

Sensors that measure real-world variables seldom have output signals that can be directly connected to a data converter in a system. Typically, there are requirements to amplify, filter, shift offset, ...
EDN

Demystifying Delta-Sigma ADCs

This in-depth article covers the theory behind a Delta-Sigma analog-to-digital converter (ADC). It specifically focuses on the difficult to understand key digital concepts of over-sampling, noise ...
EDN

Understanding sigma delta ADCs : A non-mathematical approach

In this paper, we will attempt to explain sigma delta converters with a non-mathematical approach, covering the basic concepts of noise shaping and oversampling, explained with the help of some ...
Electronic Design

What’s the Difference Between SAR and Delta-Sigma ADCs?

This file type includes high-resolution graphics and schematics when applicable. Today, almost every electronic product contains an analog-to-digital converter (ADC). When designing a new product, one ...
EDN

Overview of ADCs

All real world signals are analog. The processing is, however, done in the digital domain for most applications. Hence a good interface, an Analog to Digital Converter (ADC) is very much essential.