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TEA7091

Part Number	TEA7091
Manufacturer	ST Microelectronics
Description	TELEPHONE ANALOG FRONT END
Published	Apr 16, 2005
Detailed Description	TEA7091 TELEPHONE ANALOG FRONT END PRODUCT PREVIEW FEATURES: SPEECH DC LINE CURRENT RANGE FROM 6 TO 110mA Tx AND Rx GAI...
Datasheet	TEA7091 PDF File

Overview

TEA7091 TELEPHONE ANALOG FRONT END PRODUCT PREVIEW 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 HOWLING IMMUNITY IN LOUDHEARING MODE RECEIVING AMPLIFIER FOR PIEZO OR ELECTRODYNAMIC TRANSDUCERS +6dB MODE ON Rx CHANNEL (SELECTABLE THROUGH MICROCONTROLLER BUS) –6dB MODE ON Tx CHANNEL (SELECTABLE THROUGH MICROCONTROLLER BUS) FREQUENCY GENERATOR FOR WAITING MELODY ERROR BEEP GENERATOR HOLD LINE CURRENT DETECTOR FOR TRANSFER/ AUTO RELEA...

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