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TEA1096 Datasheet - Philips

TEA1096 Datasheet PDF Philips Electronics

Part Name
TEA1096

Other PDF
  not available.

PDF

page
32 Pages

File Size
381.3 kB

MFG CO.
Philips
Philips Electronics GO URL

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.

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.

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