Transcription of 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 ? .. 3 Internal circuit configuration of op-amp/ Comparator .. 4 2 Absolute Maximum Rating .. 5 Power supply voltage/operating range of power supply voltage .. 5 Differential input voltage.
Such an op-amp is called an ideal op-amp. Usually, op-amps with high input resistance and low output resistance are preferred. The circuit configuration is designed to achieve an ideal op-amp as closely as possible. -Figure Table 1.1.2. Ideal input and output resistances required for op-amp Input resistance Output resistance Ideal op-amp
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