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 ...
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, ...
Electronic Design

Get To Know Continuous-Time Sigma-Delta ADCs

Shown is a simplified continuous-time sigma-delta ADC model, comprising a sigma-delta modulator and a decimation filter. The DT-S? input structure typically implements switched capacitors, and CT-S?
Electronic Design

Understanding Continuous-Time, Discrete-Time Sigma-Delta ADCs And Nyquist ADCs

Sigma-delta converters are in wide use among applications that demand high precision and accuracy. A variant of the sigma-delta architecture, called the continuous-time sigma delta (CT-S?), has found ...
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 ...
EDN

Wideband AFE based on a continuous-time high speed delta-sigma ADC

Continuous time delta-sigma (CTDS) ADC is the architecture of choice for audio systems, for phone handsets and for mobile electronics. This ADC architecture allows efficient integration, signal chain ...
Design-Reuse

Pipeline vs. Sigma Delta ADC for Communications Applications

The Analog-to-Digital Converter (ADC) is a key component in digital communications receive channels, and the correct choice of ADC is critical for optimizing system design. In this article, we discuss ...