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TEA7091 Datasheet (PDF) - STMicroelectronics

TEA7091 Datasheet PDF - STMicroelectronics
Part # TEA7091
Download  TEA7091 Download

File Size   139.54 Kbytes
Page   7 Pages
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Description TELEPHONE ANALOG FRONT END

TEA7091 Datasheet (PDF)

Go To PDF Page Download Datasheet
TEA7091 Datasheet PDF - STMicroelectronics

Part # TEA7091
Download  TEA7091 Click to download

File Size   139.54 Kbytes
Page   7 Pages
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Description TELEPHONE ANALOG FRONT END

TEA7091 Datasheet (HTML) - STMicroelectronics

TEA7091 Datasheet HTML 1Page - STMicroelectronics TEA7091 Datasheet HTML 2Page - STMicroelectronics TEA7091 Datasheet HTML 3Page - STMicroelectronics TEA7091 Datasheet HTML 4Page - STMicroelectronics TEA7091 Datasheet HTML 5Page - STMicroelectronics TEA7091 Datasheet HTML 6Page - STMicroelectronics TEA7091 Datasheet HTML 7Page - STMicroelectronics

TEA7091 Product details

DESCRIPTION
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 various features (HOLD, Tone/Pulse, Flash, MUTE, adjustable Ringer and Loudhearing levels..) are programmable by MCU.

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 RELEASE

GROUP LISTENING / ON-HOOK DIALING
■ ANTI HOWLING WITH ACOUSTIC FEEDBACK SYSTEM COUPLED WITH SQUELCH
■ DIGITAL VOLUME CONTROL (8 STEPS OF 4dB EACH) THROUGH MICROCONTROLLER BUS
■ ANTILARSEN ATTENUATION (4 DIFFERENT LEVELS) PROGRAMMABLE THROUGH MICROCONTROLLER BUS
(Continue ...)




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About STMicroelectronics


STMicroelectronics is a multinational electronics and semiconductor manufacturer based in Geneva, Switzerland.

The company offers a wide range of products including microcontrollers, sensors, power amplifiers, and integrated circuits for various applications in the automotive, industrial, and consumer markets.

Founded in 1987, STMicroelectronics has operations in over 100 countries and is one of the largest semiconductor companies in the world.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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