TEA7091 Datasheet - ST Microelectronics

TEA7091 TELEPHONE ANALOG FRONT END

The TEA7091 is a Telephone set Analog Front End (TAFE) interface intended for use in conjunction with a microcontroller. In this configuration the TEA7091 provides a worldwide mid-range telephone set with loudhearing on board and melody ringer on loudspeaker. Repertory dialer (memory on MCU) and var.

TEA7091 Features

* SPEECH DC LINE CURRENT RANGE FROM 6 TO 110mA Tx AND Rx GAIN EXTERNALLY ADJUSTABLE AGC IN Tx AND Rx EXTERNALLY PROGRAMMABLE AGC DISABLEABLE THROUGH MICROCONTROLLER BUS SINGLE/DOUBLE SIDETONE NETWORK SOFTWARE PROGRAMMABLE SOFTCLIPPING ON Tx CHANNEL SQUELCH TO REDUCE Tx NOISE ENVIROMENT AND TO IMPROVE

TEA7091_STMicroelectronics.pdf