PBL3798 Datasheet Subscriber Line Interface Circuit

Manufacturer: Ericsson

Overview: March 1997 www.DataSheet4U.com PBL 3798, PBL 3798/2 Subscriber Line Interface.

Datasheet Details

Part number	PBL3798
Manufacturer	Ericsson
File Size	237.55 KB
Description	Subscriber Line Interface Circuit
Datasheet	PBL3798_Ericsson.pdf

General Description

PBL 3798 is an analog Subscriber Line Interface Circuit (SLIC), which is fabricated in a 75 V bipolar, monolithic process.

The programmable, constant current feed circuit incorporates a switch mode regulator to minimize on-chip power dissipation.

A stand-by state further reduces idle power dissipation, while allowing the supervisory functions to be active.

Key Features

On-chip switch mode regulator to minimize power dissipation.
Programmable, constant current feed.
Line feed characteristics independent of battery variations.
Tip-ring polarity reversal function.
Tip and ring open circuit state; tip open with ring active state.
Detectors: - programmable loop current/ring ground detector - ground key detector - ring trip detector.
Ring and test relay drivers.
Line terminating impedance, comp.

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