Op-Amp/Comparator Application Note - Rohm

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1/51 Application Note 2011 ROHM Co., Ltd. 64AN070E 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?.

gain in the op-amp. In general op-amps, the phase compensation capacitance for oscillation prevention is connected over the gain stage. The output stage is connected as a buffer so that the op-amp characteristics will not be affected by loads such as the resistance connected to the output terminal. The changes in

  Comparators, Buffer