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 ...
EDN

Sigma-delta modulation improves resolution in programmable interrupt controller analog outputs

One popular way to reconstruct analog signals in microcontrollers (µCs) is through pulse width modulation (PWM). However, this modulation produces a large number of harmonic components, which limits ...
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 ...
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 ...
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. According to ...
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 ...