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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 ci...

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SeekIC No. : 004517244 Detail

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: s...

TEA1096A Data Sheet

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Part Number:
TEA1096A
Supply Ability:
5000

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  • 1~5000
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  • 15 Days
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Product Details

Description



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).


Application

Line-powered telephone sets with listening-in/line monitoring function.


Pinout

Connection Diagram




Specifications

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
VLN voltage on pin LN   VEE - 0.4 12.0 V
VDD voltage on pin VDD   VEE - 0.4 12.0 V
VBB voltage on pin VBB   VEE - 0.4 12.0 V
Vn1 voltage on pins:
REG, SLPE, AGC and ILS		   VEE - 0.4 VLN + 0.4 V
Vn2 voltage on pins:
DLL, VBA or VCI, QLS, LSI		   VEE - 0.4 VBB + 0.4 V
Vn3 voltage on pins: Vref, SIMP, STAB, DLS, OSP, GAS, MUTE, DTMF, PD, MICM, MICP, BAL1, BAL2, QRP, QRM, GAR   VEE - 0.4 VDD + 0.4 V
Iline line current
see also Figs 20 and 21 - 140 mA
Ptot total power dissipation:
TEA1096/TEA1096A
TEA1096T/TEA1096AT		 Tamb = +75 °C;
see Figs 20 and 21
-
-
0.91
0.66
W
W
Tstg storage temperature   -40 +125 °C
Tamb operating ambient temperature   -25 +75 °C



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.




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