Microchip LE792388TVCT

Manufacturer No:

LE792388TVCT

Manufacturer:

Microchip

Package:

LQFP-176

Description:

The Le792388 Next Generation Octal Subscriber Line Audio processing Circuit (SLAC) device, in combination with the Le79271 SLIC device, implements a DSL friendly, high density eight-channel universal telephone line interface. This enables the design of a low cost, high performance, fully software programmable line interface with worldwide applicability. All AC, DC, and signaling parameters are programmable via a microprocessor interface. The Le792388 has an integrated test tool box and uses VCP test primitives and host routine capabilities to resolve faults to the line or line circuit.

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LE792388TVCT information

Microchip LE792388TVCT technical specifications, attributes, parameters and parts with similar specifications to Microchip LE792388TVCT.

Type
Parameter

Application
NGCC Octal SLAC

Series
VE792

Loop Length
Long

Battery Topology
Fixed

SOC Interface
PCM/MPI

Output Voltage (V) max
140

Number of Ports
8

Download datasheets and manufacturer documentation for Microchip LE792388TVCT.

Datasheets:

5fd2d20005d84a2fac732d4621fb9c71.pdf

The LE792388 Next Generation Octal Subscriber Line Audio-processing Circuit (SLAC), in combination with the single channel LE79271 or dual LE79272 SLIC, implements a DSL friendly, high density 8-channel universal telephone line interface with wideband capability. This enables the design of a low cost, high performance, fully software programmable line interface with worldwide applicability. All AC, DC, and signaling parameters are programmable via a microprocessor interface. The LE792388 has an integrated test tool box which can be used standalone or for high density line cards you can offload a lot of the basic call control and test functions to the LE79124 or LE79128 VCP to help manage calls or resolve faults to the line or line circuit. A full API is available to run on a host processor to simplify software integration.

Low Density Chip Set:
Octal SLAC (codec) + Long Loop SLICs
Le792388 (codec) + Le79271 (SLIC) / Le79272 (Dual SLIC)
ZL792588 (codec with External/ Internal Ringing) + Le79271 (SLIC) / Le79272 (Dual SLIC)

Eliminates transients that could cause CRC errors

Best-in-class GR-844 equivalent testing capability

Ideal for high density, medium and large line count applications

API-compatible with VE790 Series designs

A-law/µ-law and linear codec/filter
Transmit and receive gain, Two-wire AC impedance, Transhybrid balance, Equalization
DC loop feeding
Loop supervision
Internal ringing generation and integrated ring-trip detection
Metering generation at 12 kHz and 16 kHz Envelope shaping and level control
Envelope shaping and level control

DTMF and Modem Tone Detection
GR-909 and GR-844 Line and circuit testing capability
Tone generation (DTMF, FSK, and arbitrary tone)

Standard PCM and MPI digital interfaces

General purpose I/O pins, can be used as relay drivers

72 to 128 channel call aggregation
GR-844 equivalent line testing

User Guide

PURCHASE

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