Latest Data Converters Technical Articles

What is Dithering? Using Dithering to Eliminate Quantization Distortion

Learn how dithering can be added to a signal to improve the performance of an analog-to-digital conversion system by eliminating quantization error and distortion.

3 days ago by Dr. Steve Arar

System Calibration and Background Calibration in Precision ADCs

Learn about two calibration functions in precision ADCs: system calibration and background calibration modes.

5 days ago by Dr. Steve Arar

Offset and Gain Calibration Functions in Precision ADCs: Self-calibration

Learn about the self-calibration or internal calibration function in an analog-to-digital converter (ADC).

November 27, 2022 by Dr. Steve Arar

Trim Out ADC Offset and Gain Error Using Two Point Calibration

Learn about the two-point calibration method and the fixed-point implementation to compensate for analog-to-digital converter (ADC) offset and gain errors through an example.

November 20, 2022 by Dr. Steve Arar

Understanding CMRR and its Relationship With ADC Offset Error

Learn how variations of the common mode rejection ratio (CMRR) can affect an analog-to-digital converter's (ADC) performance.

November 04, 2022 by Dr. Steve Arar

An Introduction to RTD Sensor Signal Conditioning Circuits

Learn about the basics of different signal conditioning circuits for RTD applications, including a voltage divider, Wheatstone bridge circuit, and delta-sigma (ΔΣ) converter.

October 30, 2022 by Dr. Steve Arar

Ratiometric Resistance Measurement Basics Using an Analog to Digital Converter

Learn the basics of ratiometric resistance measurements in analog to digital (A/D) converters, how it's measured, and example uses in a digital multimeter (DMM), microprocessor, and various resistive sensors.

October 07, 2022 by Harry Trietley

Offset Error and Gain Error in a Bipolar ADC and Differential ADC

Concerning analog-to-digital converters (ADCs), learn about offset errors and gain errors in a bipolar ADC and differential ADC as well as offset error single-point calibration.

July 24, 2022 by Dr. Steve Arar

ADC Offset and ADC Gain Error Specifications

Learn about the offset and gain error specifications for ADCs, like the ADC transfer function and work through an example of an ADC offset error and ADC gain error.

July 17, 2022 by Dr. Steve Arar

Learn How Integrated Solutions Can Increase the Accuracy of Resistive Current Sensing

In this article, we’ll discuss why a discrete implementation cannot provide a high accuracy in resistive current sensing.

August 15, 2021 by Dr. Steve Arar

An Introduction to Digital Signal Processing

This article provides a general understanding of what DSP is, how it works, and what advantages it can offer. To appreciate the advantages of DSP, let’s first have a look at the conventional method of signal processing, i.e., analog signal processing.

June 30, 2021 by Dr. Steve Arar

LVDT Demodulation: Rectifier-Type vs. Synchronous Demodulation

Learn how two methods of demodulation compare: synchronous demodulation and rectifier-type demodulation. Here we discuss each method's advantages, drawbacks, and appropriate applications.

May 23, 2021 by Dr. Steve Arar

What Is the Power Spectrum of Quantization Noise?

Our series on quantization noise begins with a clarification of the framework the author used to determine the scope of his investigation into quantization noise.

March 07, 2021 by Wes Brodsky

Adding a Low-pass Filter to an ADC Model and DAC Modeling

In the final part of this series on modeling ADCs, we discuss one more model and also briefly cover DAC models.

March 02, 2021 by Wes Brodsky

Modeling ADCs Using Intermodulation Polynomial and Effective Number of Bits

In this article, we discuss another methodology of how to model ADCs in system simulations, this time by using the effective number of bits and also adjusting our ADC by introducing a 5th order polynomial to the ideal quantizer input.

February 28, 2021 by Wes Brodsky