LE88266DLC 电信接口IC

LE88266DLC

电信接口IC 2CH FXS, 8kHz, 100V ABS VoicePort, RoHS

Description LE88266DLC

The Microsemi Le88266/286 Tracking 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.

Features LE88266DLC

• Complete BORSCHT Function for Two Channels in

a Single VoicePort™ Device

• Battery Feed, Over-voltage support, integrated

Ringing, line Supervision, Codec, Hybrid

(2W/4W), Test

• Integrated Power Management

• Integrated high voltage switching regulator

controllers

- Wide input voltage range (VSW =+4.75 V to

+35 V)

- Generates supplies for VBH, VBM & VBL

• Low power Idle and On-hook transmission states

• Worldwide Programmability

• Two-wire AC impedance, Balance Impedance, Gain

• DC feed voltage and current limit

• Ringing frequency, voltage and current limit

• 12 kHz and 16 kHz Metering

• Programmable loop closure and ring trip

thresholds

Applications LE88266DLC

• Voice-Enabled Cable and DSL Modems

• Residential VoIP Gateways and Routers

• Media Terminal Adapters (MTA) Standalone &

Embedded

• Fiber to the Premise/Home/Building (FTTP/H/B),

Fiber in the Loop (FITL) Optical Network

Terminals (ONT)

• Wireless Local Loop (WLL), PBX, ISDN NT1/TA