KA1458IC OPAMP DUAL GEN PURPOSE 8-DIP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant MC1458P KA1458DTFIC OPAMP DUAL GEN PURPOSE 8-SOP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant MC1458DR MC1458DR KA1458DIC OPAMP DUAL GEN PURPOSE 8-SOP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant MC1458D