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TEA1085

Part Number	TEA1085
Manufacturer	NXP
Description	Line-powered Telephone Listening-in
Published	Apr 16, 2005
Detailed Description	INTEGRATED CIRCUITS DATA SHEET TEA1085; TEA1085A Listening-in circuit for line-powered telephone sets Preliminary spec...
Datasheet	TEA1085 PDF File

Overview

INTEGRATED CIRCUITS DATA SHEET TEA1085; TEA1085A Listening-in circuit for line-powered telephone sets Preliminary speciﬁcation File under Integrated Circuits, IC03A March 1992 Philips Semiconductors Preliminary speciﬁcation Listening-in circuit for line-powered telephone sets FEATURES • Internal supply optimum current split-up - low constant current (adjustable) in transmission IC - nearly all line current available for listening-in adjustable supply voltage • Loudspeaker amplifier dynamic limiter providing low distortion and the highest possible output power SE or BTL drive for loudspeaker volume control by potentiometer and/or logic inputs (e.
g.
microcontroller drive) fixed gain of 35...

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