U3900BM - Programmable Telephone Audio Processor

Product Overview

Atmel

Datasheet Details

Part number	U3900BM
Manufacturer	ATMEL
File Size	328.12 KB
Description	Programmable Telephone Audio Processor
Datasheet	U3900BM Datasheet
Additional preview pages of the U3900BM datasheet.

Product details

Description

The programmable telephone audio processor U3900BM is a linear integrated circuit for use in feature phones, answering machines, fax machines and cordless phones.

Features

D D D D D D D D D D D Speech circuit with anti-clipping Tone ringer interface with DC/DC converter Speaker amplifier with anti-distortion Power-supply management, regulated, unregulated and a special supply for electret microphone Voice switch CLID + SCWID DTMF generator Switch matrix Line current information Fully programmable Watchdog Benefits D Savings of one piezoelectric transducer D Complete system integration of analog signal processing on one chip D Very few external components D High.

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Published: Mar 13, 2006 |