TEA1099 Datasheet (NXP) - Speech/handsfree

TEA1099, Speech/handsfree

The TEA1099H is an analog bipolar circuit dedicated for telephone applications.

It includes a line interface, handset (HS) microphone and earpiece amplifiers, handsfree (HF) microphone and loudspeaker amplifiers, some specific auxiliary Inputs/Outputs (I/Os) and an analog multiplexer to enable the r

TEA1099 Features

* Line interface

* Low DC line voltage

* Voltage regulator with adjustable DC voltage

* Symmetrical high impedance inputs (70 kΩ) for dynamic, magnetic or electret microphones

* Dual Tone Multi-Frequency (DTMF) input with confidence tone on earphone and/or loudspeaker