Fast Company

Delta Sigma Converters: Modulation

The web is filled with introductions to Delta Sigma modulation (also sometimes referred to as Sigma Delta modulation) in the context of Delta Sigma converters. Unfortunately, the ones I’ve looked at ...
Nature

Delta-Sigma Modulation in CMOS Technology

Delta-sigma modulation has emerged as a pivotal technique in CMOS technology for high-resolution analogue‐to‐digital conversion. By utilising oversampling and noise-shaping strategies, this method ...
EDN

Delta-sigma ADC basics: How the digital filter works

Designing with a delta-sigma analog-to-digital converter can help achieve the highest possible resolution in your system. But to maximize this architecture’s benefits, it helps to understand how the ...
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

Sigma-delta modulator hones motor control

With 16-bit resolution and SNR of 86 dB, STMicro’s ISOSD61 isolated modulator enhances performance and reliability in industrial motor control. The second-order sigma-delta modulator offers a choice ...
Electronic Design

Using Delta-Sigma Can Be As Easy As ADC (Part 5)

My last column showed how a single-stage delta-sigma modulator (DSM) produces an output that is a sum of the low pass-filtered input signal and the high pass-filtered quantization noise (see “Part 4,” ...
Electronic Design

Isolated Sigma-Delta Modulator Boost Motor-Driver, Power-Inverter Efficiency

According to Analog Devices (ADI), its AD7403 isolated sigma-delta modulator delivers the highest accuracy for current and voltage measurement in dc-ac power-conversion applications. It achieves an 81 ...
Nature

Incremental Analog-to-Digital Converters and Delta-Sigma Modulators

Incremental analog-to-digital converters (ADCs) and delta-sigma modulators represent two advanced architectures that have been pivotal in high-precision signal processing. Incremental ADCs convert ...
Business Wire

Highest Accuracy Isolated Sigma-Delta Modulator Increases Efficiency of Motor Drives and Power Inverters

AD7403 isolated sigma-delta modulator achieves industry’s highest accuracy current and voltage measurement. NORWOOD, Mass.--(BUSINESS WIRE)--Analog Devices, Inc. (NASDAQ: ADI) introduced today the ...
Business Wire

Renesas Unveils Industry’s Highest Accuracy Optically Isolated Delta-Sigma Modulator for Industrial Automation Applications

TOKYO--(BUSINESS WIRE)--Renesas Electronics Corporation (TSE:6723), a premier supplier of advanced semiconductor solutions, today announced the RV1S9353A optically isolated delta-sigma (ΔΣ) modulator.
Fast Company

Delta Sigma Converters: Modulation

first-order ΔΣ modulator can be simply understood. The basic problem solved by a ΔΣ modulator is this: given a fixed input value ν that lies in the range [-1, 1], the modulator outputs a pulse train ...