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L3281AB

STMicroelectronics
Part Number L3281AB
Manufacturer STMicroelectronics
Description LOW VOLTAGE TELEPHONE SPEECH CIRCUITS
Published Mar 22, 2005
Detailed Description L3281 LOW VOLTAGE TELEPHONE SPEECH CIRCUITS PRELIMINARY DATA OPERATION DOWN TO 1.6V / 6.5mA DTMF & BEEP TONE INPUTS EXT...
Datasheet PDF File L3281AB PDF File

L3281AB
L3281AB

Overview
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.
L3281 PIN CONNECTION (top view) ABSOLUTE MAXIMUM R...


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