L3281AB datasheet(1/10 Pages) STMICROELECTRONICS

No de pièce	L3281AB

Description	LOW VOLTAGE TELEPHONE SPEECH CIRCUITS

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Fabricant	STMICROELECTRONICS [STMicroelectronics]

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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

DESCRIPTION

The L3281 is an electronic speech circuit devel-

oped to replace hybrid circuits in telephone sets

that can be operated in parallel with other

phones.

This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

June 1993

BLOCK DIAGRAM

DIP14

ORDERING NUMBERS:

L3281AB

L3281AD1

SO14

1/10

Numéro de pièce similaire - L3281AB

Fabricant	No de pièce	Fiches technique	Description
STMicroelectronics	L3280	218Kb / 6P	LOW VOTAGE TELEPHONE SPEECH CIRCUIT Jun-1983
STMicroelectronics	L3280AB	218Kb / 6P	LOW VOTAGE TELEPHONE SPEECH CIRCUIT Jun-1983

Fabricant	No de pièce	Fiches technique	Description
New Japan Radio	NJM2105	204Kb / 6P	TELEPHONE SPEECH NETWORK IC
Panasonic Semiconductor	AN6167S	46Kb / 3P	Cordless Telephone Speech Network IC
Hynix Semiconductor	GL6965	340Kb / 23P	Telephone Speech Network with Dialer Interface
Ericsson	PBL3781	546Kb / 9P	LOW VOLTAGE SPEECH CIRCUIT
Panasonic Semiconductor	AN6166NK	221Kb / 4P	Cordless Telephone Speech Network IC
Integral Corp.	ILA1062	189Kb / 9P	TELEPHONE SPEECH NETWORK WITH DIALER INTERFACE
STMicroelectronics	L3280	218Kb / 6P	LOW VOTAGE TELEPHONE SPEECH CIRCUIT Jun-1983
National Semiconductor ...	TP5700A	185Kb / 8P	Telephone Speech Circuit
TEMIC Semiconductors	U4030B	167Kb / 14P	Telephone Speech Circuit
KODENSHI_AUK CORP.	KKA1062	366Kb / 9P	TELEPHONE SPEECH NETWORK WITH DIALER INTERFACE