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 ...
EDN

Analog Devices Sigma-Delta Converter Is Unmatched In Speed And Resolution For Precision Sensing

ADI’s AD7190 24-bit sigma-delta analog-to-digital converter delivers 7 nV noise and greater than 16-bits noise-free resolution up to 2.4 kHz; also features on-board programmable gain amp. Analog ...
Electronic Design

18-Bit Sigma-Delta ADC Fits In SOT-23 Package

The 18-bit delta-sigma MCP3421 analog-to-digital converter (ADC) is the highest-resolution ADC available in an SOT-23 package, according to Microchip Technology Inc. The low-power device features an ...
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 ...
Nature

Delta-Sigma Modulation Techniques in Analog-to-Digital Conversion

Delta-sigma modulation is a cornerstone approach for high-resolution analogue-to-digital conversion, combining oversampling with active noise shaping to achieve superior signal fidelity. In these ...