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Designing Linear Amplifiers Using the IL300 Optocoupler

INTRODUCTION

This application note presents isolation amplifier circuit designs useful in industrial test and measurement systems, instrumentation, and communication systems. It covers the IL300’s coupling specifications, and circuit topologies for photovoltaic and photoconductive amplifier design. Specific designs include unipolar and bipolar responding amplifiers. Both single ended and differential amplifier configurations are discussed. Also included is a brief tutorial on the operation of photodetectors and their characteristics. Galvanic isolation is desirable and often essential in many

measurement systems. Applications requiring galvanic isolation include industrial sensors, medical transducers, and mains powered switchmode power supplies. Operator safety and signal quality are insured with isolated interconnections. These isolated interconnections commonly use isolation amplifiers.

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This entry was posted on April 18, 2018 by in Application Note, Optocoupler and tagged , , , , .

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE

The Products Described Herein and This Document are subject to Specific Disclaimers, set Forth at www.vishay.com/doc?91000

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