TEA1067 Datasheet (NXP) - Low voltage versatile telephone transmission

TEA1067, Low voltage versatile telephone transmission

The TEA1067 is a bipolar integrated circuit performing all speech and line interface functions required in fully electronic telephone sets.

It performs electronic switching between dialling and speech.

The circuit is able to operate down to a DC line voltage of 1.6 V (with reduced performance) to fa

TEA1067 Features

* Low DC line voltage; operates down to 1.6 V (excluding polarity guard)

* Voltage regulator with adjustable static resistance

* Provides supply with limited current for external circuitry

* Symmetrical high-impedance inputs (64 kΩ) for dynamic, magnetic or piezoelect