L9313

Data Sheet September 2001 L9313 Line Interface and Line Access Circuit Full-Feature SLIC and Ringing Relay for TR-57 Applications Introduction The Agere Systems Inc. L9313 is a combination fullfeature, ultralow-power SLIC, solid-state ringing access relay, and line test matrix. It is part of a pinfor-pin compatible family of devices designed to serve a wide variety of applications. The L9313 is optimized for TR-57 applications where forward and reverse battery and ground start are required. Features SLIC s 5 V and battery operation s Optional automatic battery switch s Seven operational modes s Appropriate for 58 dB longitudinal balance applica- tions s Minimal external components required at all inter- faces s Ultralow power dissipation s Software/hardware adjustable dc parameters and supervision thresholds s Ground start compatible Description The L9313 electronic line interface and line access circuit (LILAC) provides all the functions that are necessary to interface a codec to t...