The MC03AX1456 ADSL Line Driver provides a single chip analog front end to interface the ADSL Transceiver to the line transformer. The MC03AX1456CO is designed to fulfill the central office requirements. The MC03AX1456RT is optimized for use at the remote terminal (i.e. consumer premises). The ADSL Line Driver provides three differential ports: a transmit and a receive port to interface to the ADSL Transceiver's transmit and receive ports, respectively; and a bidirectional line port.