TEA1110A Datasheet (UTC) - LOW VOLTAGE VERSATILE TELEPHONE TRANSMISSION

TEA1110A, LOW VOLTAGE VERSATILE TELEPHONE TRANSMISSION

The UTC TEA1110A is a versatile telephone transmission circuit providing full speech and line interface functions in electronic telephone sets.

This device works at a line voltage which can be as low as 1.6V DC (with reduced performance) to enable parallel connection of telephone sets.

It also real

TEA1110A Features

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

* Voltage regulator with adjustable DC voltage

* Provides a supply for external circuits

* Symmetrical high impedance inputs (64kΩ) for dynamic, magnetic or piezo-electric microphones