TEA0675 查看數據表（PDF） - Philips Electronics

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TEA0675

Dual Dolby* B-type noise reduction circuit for playback applications

Philips Electronics 

Philips Semiconductors

Dual Dolby* B-type noise reduction circuit

for playback applications

Preliminary specification

TEA0675

PINNING

SYMBOL PIN

DESCRIPTION

OUTA

1 output channel A

INTA

2 integrating filter channel A

CONTRA 3 control voltage channel A

HPA

4 high-pass filter channel A

SCA

5 side chain channel A

TD

6 delay time constant

EQA

7 equalizing output channel A

EQFA

8 equalizing input channel A

VCC

INA1

9 supply voltage

10 input channel A1 (forward or reverse)

Vref

INA2

11 reference voltage

12 input channel A2 (reverse or forward)

INB2

13 input channel B2 (reverse or forward)

HS

14 head switch input

INB1

15 input channel B1 (forward or reverse)

GND

16 ground

EQFB

17 equalizing input channel B

EQB

18 equalizing output channel B

AMSEQ 19 AMS output and EQ switch input

SCB

20 side chain channel B

HPB

21 high-pass filter channel B

CONTRB 22 control voltage channel B

INTB

23 integrating filter channel B

OUTB

24 output channel B

handbook, halfpage

OUTA 1

24 OUTB

INTA 2

23 INTB

CONTRA 3

22 CONTRB

HPA 4

21 HPB

SCA 5

20 SCB

TD 6

EQA 7

19 AMSEQ

TEA0675

18 EQB

EQFA 8

17 EQFB

VCC 9

INA1 10

16 GND

15 INB1

Vref 11

INA2 12

14 HS

13 INB2

MED622

Fig.2 Pin configuration.

1996 Jun 07

4

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