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廬

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 VOLTAGE 2.5V

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

handsfree telephone sets. It results from an extensive

research on speech signal.

PIN CONNECTION

(top view)

GND

CS

OUTE

ATTE

HYST1

HYST2

TIM

CCE

CE3

CE2

CE1

MICOUT

INE

VREF

1

2

3

4

5

6

7

8

9

10

11

12

13

14

D93TL005

28

27

26

25

24

23

22

21

20

19

18

17

16

15

V+

IREF

OUTR

ATTR

ATR

VOL

AMP SUP

AMP IN

CCR

CR3

CR2

CR1

RECOUT

INR

July 1998

T

1/12

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

next

TEA7540FP相關(guān)型號PDF文件下載

• 型號
  版本
  描述
  廠商
  下載
• TEA7063
  英文版
  SPEECH CIRCUIT WITH POWER MANAGEMENT
  
  TEA7063
• TEA7063
  英文版
  SPEECH CIRCUIT WITH POWER MANAGEMENT
  STMICROELECTRON...
  TEA7063
• TEA7089
  英文版
  LOW-RANGE PHONE DEDICATED CHIP
  
  TEA7089
• TEA7089
  英文版
  LOW-RANGE PHONE DEDICATED CHIP
  STMICROELECTRON...
  TEA7089
• TEA7091
  英文版
  TELEPHONE ANALOG FRONT END
  
  TEA7091
• TEA7091
  英文版
  TELEPHONE ANALOG FRONT END
  STMICROELECTRON...
  TEA7091
• TEA7092
  英文版
  TELEPHONE SET INTEGRATED CIRCUIT
  
  TEA7092
• TEA7092
  英文版
  TELEPHONE SET INTEGRATED CIRCUIT
  STMICROELECTRON...
  TEA7092
• TEA7092
  英文版
  TELEPHONE ANALOG FRONT END
  STMICROELECTRON...
  TEA7092
• TEA7530
  英文版
  MONITOR AMPLIFIER
  
  TEA7530
• TEA7530
  英文版
  MONITOR AMPLIFIER
  STMICROELECTRON...
  TEA7530
• TEA7531
  英文版
  MONITOR AMPLIFIER
  
  TEA7531
• TEA7531
  英文版
  MONITOR AMPLIFIER
  STMICROELECTRON...
  TEA7531
• TEA7532
  英文版
  MONITOR AMPLIFIER
  
  TEA7532
• TEA7532
  英文版
  MONITOR AMPLIFIER
  STMICROELECTRON...
  TEA7532
• TEA7533
  英文版
  MONITOR AMPLIFIER
  STMicro
  TEA7533
• TEA7540
  英文版
  HANDSFREE CONTROLLER
  
  TEA7540
• TEA7540
  英文版
  HANDSFREE CONTROLLER
  STMICROELECTRON...
  TEA7540
• TEA7605
  英文版
  LOW-DROP VOLTAGE REGULATOR
  
  TEA7605
• TEA7605
  英文版
  LOW-DROP VOLTAGE REGULATOR
  STMICROELECTRON...
  TEA7605

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