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U4091BM-N - Programmable Telephone Audio Processor

Description

The programmable telephone audio processor U4091BM-N is a linear integrated circuit for use in feature phones, answering machines and fax machines.

It contains the speech circuit, tone-ringer interface with DC/DC converter, sidetone equivalent and ear-protection rectifiers.

Features

  • 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.
  • Interface for Answering Machine and Cordless Phone.

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Datasheet preview – U4091BM-N

Datasheet Details

Part number U4091BM-N
Manufacturer ATMEL
File Size 706.05 KB
Description Programmable Telephone Audio Processor
Datasheet download datasheet U4091BM-N Datasheet
Additional preview pages of the U4091BM-N datasheet.

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Full PDF Text Transcription

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Features • • • • 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 • Interface for Answering Machine and Cordless Phone Applications • • • • • Feature Phone Answering Machine Fax Machine Speaker Phone Cordless Phone Programmable Telephone Audio Processor U4091BM-N Benefits • No Piezoelectric Transducer for Tone Ringing Necessary • Complete System Integration of Analog Signal Processing on One Chip • Very Few External Components Description The programmable telephone audio processor U4091BM-N is a linear integrated circuit for use in feature phones, answering machines and fax machines.
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