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TEA1111A earpiece volume controller

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Description

INTEGRATED CIRCUITS DATA SHEET TEA1111A Speech circuit with dialler interface, regulated supply and earpiece volume control Product speciļ¬cation Sup.
The TEA1111A is a bipolar integrated circuit that performs all speech and line interface functions required in fully electronic telephone sets.

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Features

* Low DC line voltage; operates down to 1.5 V (excluding voltage drop across external polarity guard)
* Line voltage regulator with adjustable DC voltage
* 3.25 V regulated strong supply point for peripheral circuits compatible with:
* Speech mode
* Ringer mod

Applications

* TEA1111A
* Line powered telephone sets with LCD module
* Cordless telephones
* Fax machines

TEA1111A Distributors

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