U3900BM - Programmable Telephone Audio Processor

Name: U3900BM
SKU: U3900BM-539173

Atmel

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Datasheet Details

Part number	U3900BM
Manufacturer	ATMEL
File Size	328.12 KB
Description	Programmable Telephone Audio Processor
Datasheet	U3900BM_Atmel.pdf

U3900BM 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 |