Datasheet Summary
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...