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TEA1096AT 반도체 회로 부품 판매점

Speech and listening-in IC



NXP Semiconductors 로고
NXP Semiconductors
TEA1096AT 데이터시트, 핀배열, 회로
INTEGRATED CIRCUITS
DATA SHEET
TEA1096; TEA1096A
Speech and listening-in IC
Product Specification
File under Integrated Circuits, IC03
November 1994
Philips Semiconductors


TEA1096AT 데이터시트, 핀배열, 회로
Philips Semiconductors
Speech and listening-in IC
Product Specification
TEA1096; TEA1096A
FEATURES
Line Interface with:
– active set impedance (adjustable)
– voltage regulator with adjustable DC voltage
– low voltage circuit for parallel operation
Interface to peripheral circuits with:
– supply VDD for microcontroller
– stabilized supply voltage (VBB) which is:
available for peripheral circuits
adjustable (TEA1096 only)
– Dual-Tone MultiFrequency (DTMF) signal input
– power-down function for pulse dialling/flash
– mute function to disable speech during dialling
Microphone amplifier with:
– symmetrical high impedance inputs
– externally adjustable gain
– AGC; line-loss compensation
– dynamic limiter
– microphone mute function
Receiving amplifier with:
– externally adjustable gain
– confidence tone during dialling
– double anti-sidetone circuit for long and short lines
– AGC; line-loss compensation
– earpiece protection by soft clipping.
Listening-in circuit with:
– loudspeaker amplifier
– dynamic limiter to prevent distortion at any supply
condition
– volume control via a potentiometer
– fixed gain of 35.5 dB
– disable function
– gain control input (TEA1096A only).
APPLICATIONS
Line-powered telephone sets with listening-in/line
monitoring function.
DIFFERENCES BETWEEN TEA1096 AND TEA1096A
The TEA1096 offers via input VBA an adjustable stabilized
supply voltage VBB, whereas the TEA1096A offers a fixed
stabilized voltage VBB.
The TEA1096A offers a DC gain control input VCI to set
the loudspeaker volume, whereas the TEA1096 offers
volume control via a potentiometer.
GENERAL DESCRIPTION
The TEA1096 and TEA1096A are bipolar ICs intended for
use in line powered telephone sets. They offer a
speech/transmission function, listening-in and line
monitoring facilities of the received line signal via the
loudspeaker.
The devices incorporate a line interface block, a
microphone and DTMF amplifier, a receiving amplifier, a
supply function, a loudspeaker amplifier, and a dynamic
limiter in the transmission channel and the listening-in
channel.
ORDERING INFORMATION
TYPE NUMBER
TEA1096
TEA1096A
TEA1096T
TEA1096AT
NAME
DIP28
DIP28
SO28
SO28
PACKAGE
DESCRIPTION
plastic dual in-line package; 28 leads (600 mil)
plastic dual in-line package; 28 leads (600 mil)
plastic small outline package; 28 leads; body width 7.5 mm
plastic small outline package; 28 leads; body width 7.5 mm
VERSION
SOT117-1
SOT117-1
SOT136-1
SOT136-1
November 1994
2




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TEA1096A

Speech and listening-in IC - NXP Semiconductors



TEA1096AT

Speech and listening-in IC - NXP Semiconductors