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Resolving the Signal Part 7: The Effects of Amplifier Noise on Delta-Sigma ADCs

Resolving the Signal Part 7: The Effects of Amplifier Noise on Delta-Sigma ADCs

This 12-part article series focuses on the impact of noise in delta-sigma ADCs. Part 7 shows how to analyze different amplifiers' effect on the noise of the same ADC.


Developing Voice-Activated Systems: A Low-Power Stereo ADC from Texas Instruments

Developing Voice-Activated Systems: A Low-Power Stereo ADC from Texas Instruments

This article will look at some of the most important features of TLV320ADC3100 which is TI’s newly-released ADC for voice-activated systems.


News Jun 22, 2018 by Dr. Steve Arar
Resolving the Signal Part 6: The Effects of Amplifier Noise on Delta-Sigma ADCs

Resolving the Signal Part 6: The Effects of Amplifier Noise on Delta-Sigma ADCs

Part 6 of this 12-part Resolving the Signal series focuses on output- versus input-referred noise, adding an amplifier at the input of an ADC, and low- versus high-resolution ADCs as they relate to amplifier noise.


A Simple, Compact Power Supply for Analog and Mixed-Signal Systems

A Simple, Compact Power Supply for Analog and Mixed-Signal Systems

This project demonstrates and discusses the performance and functionality of an inductorless ±5 V power-supply circuit.


Projects Jun 18, 2018 by Robert Keim
How to Choose the Frequency of Your Switching Regulator

How to Choose the Frequency of Your Switching Regulator

This article discusses some details—efficiency, noise, etc.—that influence the choice of operational frequencies for switch-mode power supplies.


Understanding the Dynamic Range Specification of an ADC

Understanding the Dynamic Range Specification of an ADC

This article will discuss the dynamic range specification of an ADC.


Low-Noise, Wide-Bandwidth: A Single Axis Analog Accelerometer from Analog Devices

Low-Noise, Wide-Bandwidth: A Single Axis Analog Accelerometer from Analog Devices

The ADXL1005 by Analog Devices is a low noise, wide bandwidth, single-axis MEMS accelerometer with Analog Output.


News Jun 08, 2018 by Mark Hughes
Circle the Wagons: Choosing the Right Protection ICs for Your Smart Load

Circle the Wagons: Choosing the Right Protection ICs for Your Smart Load

This article reviews the fundamental features of an effective protection scheme, highlights the shortcoming of a typical protection implementation—such as a high bill of materials and PC board size occupation—and introduces a new family of integrated, highly flexible protection ICs that address these concerns.


Resolving the Signal Part 5: Understanding Effective Noise Bandwidth in Precision Delta-Sigma ADCs

Resolving the Signal Part 5: Understanding Effective Noise Bandwidth in Precision Delta-Sigma ADCs

Part 5 of this 12-part series continues to explore effective noise bandwidth as it relates to delta-sigma ADCs and system-level design by stepping through a simple example using a two-stage filter to understand how to calculate the ENBW and how system changes affect the ENBW.


Considerations for FPGA Implementation of Linear-Phase FIR Filters

Considerations for FPGA Implementation of Linear-Phase FIR Filters

This article will review considerations for efficient FPGA implementation of symmetric FIR filters.


High Efficiencies, Small Package: An Integrated Boost (Step-Up) Module Regulator from Analog Devices

High Efficiencies, Small Package: An Integrated Boost (Step-Up) Module Regulator from Analog Devices

Linear Tech's new boost (step-up) module regulator comes in a small BGA package and offers high efficiencies.


News May 03, 2018 by Nick Davis
Low Noise, Low Power, High Speed: An 18-bit, 2 MSPS Precision SAR ADC from Analog Devices

Low Noise, Low Power, High Speed: An 18-bit, 2 MSPS Precision SAR ADC from Analog Devices

The AD4002 from Analog Devices is a low-noise, low-power, and high-speed 18-bit successive approximation register analog-to-digital converter.


News Apr 16, 2018 by Nick Davis
Resolving the Signal Part 4: Understanding Effective Noise Bandwidth in Precision Delta-Sigma ADCs

Resolving the Signal Part 4: Understanding Effective Noise Bandwidth in Precision Delta-Sigma ADCs

Part 4 of this “Resolving the Signal” article series covers noise in delta-sigma ADCs focuses on understanding basic effective noise bandwidth (ENBW) topics.


What Exactly Is a Phase-Locked Loop, Anyways?

What Exactly Is a Phase-Locked Loop, Anyways?

This article introduces a phase-based feedback system that plays an important role in many applications.


How to Low-Pass Filter a Square Wave

How to Low-Pass Filter a Square Wave

This article, part of AAC’s Analog Circuit Collection, presents a circuit that is a good choice when you need to remove high-frequency noise from a digital signal.


Resolving the Signal: Introduction to Noise in Delta-Sigma ADCs Part 3

Resolving the Signal: Introduction to Noise in Delta-Sigma ADCs Part 3

This 12-part article series focuses on the impact of noise in delta-sigma ADCs. Part 3 brings the theoretical information provided in parts 1 and 2 to a real-world design example.


Digitally Adjust DC-to-DC Voltage Regulators: A PMBus-Controlled Current DAC

Digitally Adjust DC-to-DC Voltage Regulators: A PMBus-Controlled Current DAC

A PMBus-controlled, bidirectional current DAC (digital-to-analog converter) that can adjust the output voltage of a DC/DC converter.


News Mar 02, 2018 by Nick Davis
How to Use a Diode as a Thermometer

How to Use a Diode as a Thermometer

This article, part of AAC’s Analog Circuit Collection, presents a straightforward circuit that allows you to measure temperature with little more than a diode and a BJT.


Resolving the Signal: Introduction to Noise in Delta-Sigma ADCs Part 2

Resolving the Signal: Introduction to Noise in Delta-Sigma ADCs Part 2

In part 2 of this series, I'll continue the fundamental ADC noise discussion by covering how to measure ADC noise, noise specifications in ADC data sheets, and absolute versus relative noise parameters.


Simplify Your Life with an Analog Window Detector

Simplify Your Life with an Analog Window Detector

This article, part of AAC’s Analog Circuit Collection, presents a simple yet effective replacement for ADC-based window detection.