TEA7540FP

更新时间： 2024-02-09 16:27:27

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		控制器
页数	文件大小	规格书
12页	134K
描述
HANDSFREE CONTROLLER

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中文翻译

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数据手册

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TEA7540FP 数据手册

TEA7540

HANDSFREE CONTROLLER

NOISE/SPEECH DISCRIMINATION IN EMIS-

SION AND RECEPTION

INTEGRATED SIGNAL GAIN COMPRESSOR

IN BOTH MODES

PROGRAMMABLE ATTENUATORS IN BOTH

MODES

ADAPTED TO ACOUSTIC PARAMETERS OF

ALL CABINETS

LOW OPERATING VOLTAGE2.5V

LOW OPERATING CURRENT 2.1mA

CHIP SELECT BETWEEN HANDSFREE AND

MONITORING MODES

SO28

ORDERING NUMBERS:

TEA7540FP

DESCRIPTION

This 28 pins IC is an innovative approach to quality

handsfreetelephonesets.It results froman extensive

research onspeechsignal.

PIN CONNECTION

(top view)

GND

V+

OUTE

ATTE

HYST1

HYST2

TIM

IREF

OUTR

ATTR

ATR

VOL

AMP SUP

AMP IN

CCR

CCE

CE3

CE2

CR3

CE1

CR2

MICOUT

INE

CR1

RECOUT

INR

VREF

D93TL005

July 1998

1/12

is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without

12 3 4 5 6 7...12

中文翻译

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