TEA6320 데이터 시트보기 (PDF) - Philips Electronics

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TEA6320

Sound fader control circuit

Philips Electronics 

8.2 nF

CKVL

20 kΩ

220 nF

2.2 kΩ

150 nF

33 nF

5.6 nF

Cm

10 nF

100 µF Vref 21

VCC

31

2

GND

47 µF

19

9 x 220 nF

16

input

15

left

13

source

11

input

mono

14

source

22

input

20

right

18

source

17

CKIN

10

8

9

POWER

SUPPLY

VOLUME I

+20 to −31 dB

LOUDNESS

LEFT

SOURCE

SELECTOR

VOLUME I

+20 to −31 dB

LOUDNESS

RIGHT

23

25

24

76

5

12

BASS

LEFT

±15 dB

MUTE

FUNCTION

ZERO CROSS

DETECTOR

TREBLE

LEFT

±12 dB

LOGIC

BASS

RIGHT

±15 dB

TREBLE

RIGHT

±12 dB

26 27

TEA6320

28

CKVL 220 nF

8.2 nF 20 kΩ

150 nF

2.2 kΩ

33 nF

5.6 nF

VOLUME II

0 to −55 dB

3

BALANCE

FADER REAR

VOLUME II

0 to −55 dB

4

BALANCE

FADER FRONT

32

I2C-BUS

RECEIVER

1

VOLUME II

0 to −55 dB

29

BALANCE

FADER FRONT

VOLUME II

0 to −55 dB

30

BALANCE

FADER REAR

MED421

MUTE

output

left

SCL

SDA

output

right

Fig.1 Block diagram.

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