KA258DTFIC OPAMP DUAL HIGH GAIN 8-SOP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant LM258DR LM258DR LM258DR2G LM258AMX KA258DIC OPAMP DUAL HIGH GAIN 8-SOP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant LM258D LM258DG LM258AM