XR-T5995 Datasheet (Exar) - Speech Network

XR-T5995, Speech Network

The XR-T5995 Speech Network is a monolithic integrated circuit specifically designed for implementing a low cost telephone set circuit.

It is designed to use a electrodynamic microphone and electromagnetic receiver to replace a carbon microphone and telephone network hybrid.

FUNCTIONAL BLOCK DIAGRA

XR-T5995 Features

* Interfaces with Inexpensive'Condenser Electret Microphone, Electromagnetic Receiver Low Voltage CMOS Process to Operate from 20 mA to 100 mA Loop Current Minimum External Component Counts Uses Inexpensive and Non-critical External Components A DTMF Input for Tone Dialing External Mute Capability AP