L3281 - LOW VOLTAGE TELEPHONE SPEECH CIRCUITS

Datasheet Summary

Description

The L3281 is an electronic speech circuit developed to replace hybrid circuits in telephone sets that can be operated in parallel with other phones.

STMicroelectronics

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Datasheet Details

Part number	L3281
Manufacturer	STMicroelectronics
File Size	170.63 KB
Description	LOW VOLTAGE TELEPHONE SPEECH CIRCUITS
Datasheet	L3281 Datasheet
Additional preview pages of the L3281 datasheet.

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Other Datasheets by STMicroelectronics

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Full PDF Text Transcription

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L3281 LOW VOLTAGE TELEPHONE SPEECH CIRCUITS PRELIMINARY DATA OPERATION DOWN TO 1.6V / 6.5mA DTMF & BEEP TONE INPUTS EXTERNAL MUTING FOR EARPHONE AND MICROPHONE SUITABLE FOR DYNAMIC EARPHONE AND DYNAMIC OR ELECTRET MICROPHONE AGC CONTROL ON BOTH SENDING AND RECEIVING DIP14 SO14 DESCRIPTION The L3281 is an electronic speech circuit developed to replace hybrid circuits in telephone sets that can be operated in parallel with other phones. BLOCK DIAGRAM ORDERING NUMBERS: L3281AB L3281AD1 June 1993 1/10 This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

Published: Mar 22, 2005 |