TEA1064B Datasheet (NXP) - Low voltage versatile telephone transmission

TEA1064B, Low voltage versatile telephone transmission

The TEA1064B 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.

The IC operates at line voltages down to 1.8 V DC (with reduced performance) to facilitate

TEA1064B 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

* Dynamic limiting (speech-contr