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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?.

Providing high input resistance (impedance) and low output resistance is a function required for the op-amps. In Figure 1.1.2. Model of voltage controlled voltage source amplifier (op-amp), VS is the input signal source, RS is the signal source output resistor, Ri is the input resistor of the

  Input, Comparators

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