TEA1065 Datasheet (NXP) - Versatile telephone transmission

TEA1065, Versatile telephone transmission

The TEA1065 is a bipolar integrated circuit which performs all speech and line interface functions that are required in fully electronic telephone sets with adjustable DC mask.

The circuit performs electronic switching between dialling and speech internally.

CODE SOT101L SOT137A MAX.

4.65 150 V U

TEA1065 Features

* Current and voltage regulator mode with adjustable static resistances

* Provides supply for external circuitry

* Symmetrical high-impedance inputs for piezoelectric microphone

* Asymmetrical high-impedance input for electret microphone

* DTMF signal input wi