KA324ADTFIC OPAMP QUAD HIGH GAIN 14-SOP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant LM324ADR LM324ADR KA324AIC OPAMP QUAD HIGH GAIN 14-DIP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant LM324AN LM324ANG KA324ADIC OPAMP QUAD HIGH GAIN 14-SOP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant LM324AD LM324AM