TEA7089AFP View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TEA7089AFP

LOW-RANGE PHONE DEDICATED CHIP

STMicroelectronics 

TEA7089A

TYPICAL APPLICATION

Q1 BSS92

Impedance

R11 33Ω

Sidetone

C5

R27

5.6Ω

C2

D2 13V

4.7nF

R10

R12 82kΩ R13 300Ω

R5

R6

620Ω

VCC

R28 22kΩ

VCC

C8

47µF

R25

C11

1µF

C12

100nF

D11 6.2V

VREF

R4 560kΩ

C1

820nF R40 1kΩ

A

C3 100nF

C13 100nF

82

11

12

3

4 AGC

1 SOFT

GTR 7

GREC 14

VREF

R8 1.3kΩ

C26 1µF R14 10kΩ

28 DTMF

R17

15kΩ

C17

2.2nF

SW1A

D9 D8

B

C14

47nF

C10

470µF

27 VREF

13 VMC

TEA7089A

EAR+ 16

EAR- 15

MIC2 6

4 x 1N4004

D6 D7

Buzzer

47Ω

17 BUZ

C21 47nF

R21

2kΩ

C22 47nF

SW1B

R15 1kΩ

D3

24V

C16

10µF

18 VRING

MIC1 5

IVLS 10

VCC

C30

47nF

R29

22kΩ

R2

330kΩ

C15 4.7µF

26 25 24 23 21 20 19 9

22

3.58MHz

X2

Q3

BF393

D5 BAT42

C19

30pF

C18

30pF

X1

MCU

123S

4 5 6M

789L

* 0 #R

16/17

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