Introduction to lm4558, lm4558 pinout, lm4558 power ratings, lm4558 applications,lm4558 Hi Friends! I welcome you on board. Happy to see you around. In this post today, I’ll walk you through the Introduction to LM4558. LM4558 is a dual operational amplifier that comes with two amplifiers on board. This device belongs to the LM’xx’ family where LM stands for linear monolithic which me ...