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How Do I Eliminate “Flicker Noise” in My Amplifier Design?
While there are many different sources of noise within an operational amplifier, perhaps the most mysterious and frustrating noise source is what is known as flicker noise. How does one deal with this dominating, low frequency noise? If 1/f noise is a big concern, then selecting a zero-drift amplifier is the best solution.
Zero-Drift Amplifiers: Taking the Good With the Bad
The use of zero-drift amplifiers continues to grow due to the superior dc precision that these devices offer. However, there is a downside to this performance – time domain limitations.
The Tried-and-True Operational Amplifier (Op Amp): An Overview
Operational amplifiers are still an integral component of most electronic systems. Given the ubiquitous nature of the op amp, let us take a step back and review the elements of an operational amplifier and why it is still so useful in today’s electronics.
Why Is Op Amp Start-Up Time Important and How Do I Measure It?
This article will discuss the differences between op-amp start-up time vs. settling time and slew rate. We will also walk through a case study for measuring start-up time.
Are You Working on an Automotive Application?
The low-power and low-noise performance of our AEC-Q100-qualified amplifiers and comparators makes them excellent choices for automotive designs.
Amp'titudes Episode 1 - Amplifier Bandwidth and Slew Rate
In this premiere episode of Amp-titudes, we will provide a brief look at the slew rate specification for operational amplifiers, and how this specification applies to an amplifiers performance.
Amp'titudes Episode 4 - EMI Rejection
Amp'titudes Episode 4 - EMI Rejection
This video provides a brief overview of electromagnetic interference (EMI) and what amplifier manufacturers are doing to combat its adverse effects.
Amp'titudes Episode 7 - Zero-Drift Terminology
Amp'titudes Episode 7 - Zero-Drift Terminology
This video provides a brief overview of the industry standard term “Zero-Drift” as it applies to amplifiers.
Amp'titudes Episode 2 – Input Bias and Offset Current
Amp'titudes Episode 2 – Input Bias and Offset Current
This video provides a brief explanation of input bias and input offset currents as they relate to operational amplifiers. In addition, this video takes a detailed look at the new, zero-drift amplifier architectures and how these specifications are affected by these new architectures.
Amp'titudes Episode 3 - Rail to Rail Input Stage
Amp'titudes Episode 3 - Rail-to-Rail Input Stage
This video provides an overview of various input structures for CMOS, voltage-feedback amplifiers, and discusses how these structures affect the amplifier's ability to support “rail-to-rail” operation.
Amp'titudes Episode 5 - Power Supply Filtering
Amp'titudes Episode 5 - Power Supply Filtering
This video highlights the need for power supply filtering within amplifier circuits, specifically the use of bypass capacitors to minimize any unwanted noise at higher frequencies.
Amp'titudes Episode 6 – Rail to Rail Output Stage
This video provides an explanation of the term “rail-to-rail” as it applies to the output of a CMOS amplifier, and discusses how output loading can affect this parameter.