Operational amplifier, Comparator (Tutorial)

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1/51 Application Note 2011 ROHM Co., Ltd. Op-Amp/ Comparator Application Note Operational amplifier , Comparator (Tutorial) This application note explains the general terms and basic techniques that are necessary for configuring application circuits with op-amps and comparators. Refer to this note for guidance when using op-amps and comparators. a Contents 1 What Is Op-Amp/ Comparator ? ........................................ ........................................ ........................................ ........................................ .......... 2 What is op-amp? ........................................ ........................................ ........................................ ........................................ ......................... 2 What is Comparator ?.

An op-amp (operational amplifier) is a differential amplifier that has high input resistance, low output resistance, and high open loop gain. Its function is to amplify the differential voltage between the + input terminal (non -inverting terminal) and the - input terminal (inverting terminal).

  Amplifier