LE88241

www.DataSheet4U.com P R O D U C T P R E V I E W ™ VE880 Series Dual Channel Automatic Battery Switching (ABS) VoicePort™ Device Le88221/241 APPLICATIONS „ „ „ „ „ Voice enabled Cable and DSL Modems Voice over IP/ATM - Integrated Access Devices (IAD) Smart Residential Gateways (SRG) and Routers Media Terminal Adapters (MTA) Standalone & Embedded Fiber to the User/Premise/Home (FTTH/P/H), Fiber in the Loop (FITL) Optical Network Terminals (ONT) „ Wireless Local Loop (WLL), PBX, ISDN NT1/TA „ Set-Top Box, Home Side Box ORDERING INFORMATION Device Le88221DLC Le88241DLC Package 80-pin eLQFP (Green package*) *Green package meets RoHS Directive 2002/95/EC of the European Council to minimize the environmental impact of electrical equipment. DESCRIPTION Legerity's dual-channel Le88221/241 Automatic Battery Switching (ABS) VoicePort™ device implements a dualchannel telephone line interface by providing all the necessary voice interface functions from the high voltage subscriber line to the µP/DSP digital interface. The ABS device can operate from external battery supplies, or from supplies generated by the on chip switching regulator controllers. This device reduces system level cost, space, and power by achieving the highest level of voice integration possible. Designers benefit by having a simple, cost effective, low power and dense, interface design without sacrificing features or functionality. The programmable, feature rich VoicePort devices provide a highly functional lin...