EDN

JFET-input op amp achieves lowest bias current and offset drift

The 19-MHz ADA4627 JFET-input op amp specifies 5-pA max bias current at 25°C and 500 pA max over the industrial temperature range of 40 to 85C, which according to the company is ten times lower than ...
EDN

Is a zero-drift op amp the best choice for your design?

Zero-drift amplifiers have the lowest input offset voltage (Vos) and offset voltage drift of any operational amplifier (op amp) topology. Compared to best-in-class precision low-input offset-voltage ...
Hackaday

Op Amp Challenge

Of digital electronics, a wise man once said that “Every idiot can count to one.” Truer words have rarely been spoken, because at the end of the day, every digital circuit is really just an analog ...
Electronic Design

So…The K2-W Analog Computer Op Amp Has Mad Scientists’ Fingerprints on It (Part 1)

In the first of three parts, Andy hypothesizes that the K2-W Analog Computer Op Amp’s design has some unrevealed mad science in its input-stage design. 1. K2-W Op Amp schematic from Bob Pease’s ...
Electronic Design

Our “Digitized” Cars Still Need Those Precision Op Amps

This article is part of the TechXchange: Exploring Op Amps. With all of the sophisticated digital circuitry and countless processors in today’s vehicles, regardless of power-plant type or topology, ...