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TEA7091中文資料意法半導(dǎo)體數(shù)據(jù)手冊PDF規(guī)格書

TEA7091
廠商型號

TEA7091

功能描述

TELEPHONE ANALOG FRONT END

文件大小

139.54 Kbytes

頁面數(shù)量

7

生產(chǎn)廠商 STMicroelectronics
企業(yè)簡稱

STMICROELECTRONICS意法半導(dǎo)體

中文名稱

意法半導(dǎo)體集團官網(wǎng)

原廠標(biāo)識
數(shù)據(jù)手冊

下載地址一下載地址二到原廠下載

更新時間

2024-12-22 23:00:00

TEA7091規(guī)格書詳情

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 ...)

產(chǎn)品屬性

  • 型號:

    TEA7091

  • 制造商:

    STMICROELECTRONICS

  • 制造商全稱:

    STMicroelectronics

  • 功能描述:

    TELEPHONE ANALOG FRONT END

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