TEA7089AFP中文資料意法半導體數(shù)據手冊PDF規(guī)格書

廠商型號	TEA7089AFP
功能描述	LOW-RANGE PHONE DEDICATED CHIP
文件大小	154.83 Kbytes
頁面數(shù)量	17 頁
生產廠商	STMicroelectronics
企業(yè)簡稱	STMICROELECTRONICS【意法半導體】
中文名稱	意法半導體集團官網
原廠標識
數(shù)據手冊	下載地址一下載地址二到原廠下載
更新時間	2025-5-20 22:30:00
人工找貨	TEA7089AFP價格和庫存，歡迎聯(lián)系客服免費人工找貨

DESCRIPTION

The TEA7089A is a Telephone Analog Front End device, TAFE, which integrates the three basic functionsof a standard telephoneset :

- Speech network,

- DTMF generator,

- Ringer generator on buzzer.

A complete telephone set can be designed using TEA7089A associated with a low cost microcontroller.

. RING

- GENERATION OF 8 MELODY TONES(Including the 3 German Melody Tones)

- 4 STEPS DIGITAL CONTROL ON THE AM PLIFIER OUTPUT LEVEL

. SPEECH

- TRANSMITGAINEXTERNALLYADJUSTABLE

- RECEIVINGGAINEXTERNALLYADJUSTABLE

- AGCSLOPEEXTERNALLYPROGRAMMABLE

- SOFTCLIPPING ON SENDING CHANNEL

- RECEIVE AMPLIFIER FOR PIEZO OR ELECTRODYNAMIC TRANSDUCER

- +6dB MODE ON RECEIVE CHANNEL

- LINE POWER MANAGEMENT

. DIALING

- DTMF GENERATOR

- LOW DC MASK DURING MAKE PERIOD THROUGH MICROCONTROLLER SERIAL BUS INTERFACE

. MICROCONTROLLER INTERFACE

- 1.79MHzCLOCK OR 3.58MHzOSCILLATOR INPUT

. MICROCONTROLLER POWER SUPPLY

. MICROCONTROLLER CONTROL INTERFACE INCLUDING SERIAL BUS

. LINE CURRENT EXTRACTOR FOR SUPPLY OF EXTERNAL PERIPHERALS