APPLICATIONS

„ Integrated Access Devices (IADs)

„ Network Interface Units (NIUs)

„ Cable Modems

„ DSL Modems

„ Set Top / House Side Boxes

„ Intelligent PBX

„ Pain Gain

„ FXS Cards

„ Voice over ISDN or T1/E1

„ Smart Residential Gateways

„ WLL, APON, FITL, NGN, and all other short-loop CPE/

Enterprise telephony applications

FEATURES

„ Ideal for ISDN-TA and set top applications

„ On-chip ringing with on-chip ring-trip detector

„ Low Standby state power

„ Battery operation:

— VBAT1: –40 V to –67 V

— VBAT2: –19 V to VBAT1

„ On-chip battery switching and feed selection

„ On-hook transmission

„ Polarity reversal option

„ Programmable constant-current feed

„ Programmable open circuit voltage

„ Programmable loop-detect threshold

„ Current gain = 1000

„ Two-wire impedance set by single component

„ Ground-key detector

„ Tip Open state for ground-start lines

„ Internal VEE regulator (no external –5 V power supply

required)

„ Two on-chip relay drivers and snubber circuits

„ Space-saving package options (8x8 QFN)

RELATED LITERATURE

„ 080917 VE790 Series RSLIC Device Product Brief

„ 080158 Le79R70/79/100/101 Ringing SLIC Devices

Technical Overview

„ 080255 Le71HE0040J Evaluation Board User’s Guide

„ 080753 Le58QL02/021/031 QLSLAC™ Data Sheet