TEA1064A Datasheet (NXP) - Low voltage versatile telephone transmission

TEA1064A, Low voltage versatile telephone transmission

The TEA1064A is a bipolar integrated circuit that performs all the speech and line interface functions required in fully electronic telephone sets.

It performs electronic switching between dialling and speech and has a powerful DC supply for peripheral circuits.

The IC operates at line voltages down

TEA1064A Features

* Low DC line voltage; operates down to 1.8 V (excluding polarity guard)

* Voltage regulator with low voltage drop and adjustable static resistance

* DC line voltage adjustment facility

* Provides a supply for external circuits in two options: unregulated supply, regu