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L3281 - LOW VOLTAGE TELEPHONE SPEECH CIRCUITS

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.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.
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