TEA7089AFP中文资料意法半导体数据手册PDF规格书

厂商型号	TEA7089AFP
功能描述	LOW-RANGE PHONE DEDICATED CHIP
文件大小	154.83 Kbytes
页面数量	17 页
生产厂商	STMicroelectronics
企业简称	STMICROELECTRONICS【意法半导体】
中文名称	意法半导体集团官网
原厂标识
数据手册	下载地址一下载地址二到原厂下载
更新时间	2025-6-7 14:23:00
人工找货	TEA7089AFP价格和库存，欢迎联系客服免费人工找货

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