CXA2126Q 查看數據表（PDF） - Sony Semiconductor

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CXA2126Q

Audio/Video Switch with Electronic Volume for 2 Scart

Sony Semiconductor 

CXA2126Q

HW

mute

+5V

1kΩ

SW1

+9V

Output

measurement

point

V

51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33

+12V

52

+9V 53

BC547B 54

55

56

57

58

59

+9V

60

61

62

63

64

CXA2126Q

32

31

30

29

28

27

26

25

24

23

22

21

20

+9V

47µF

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

SCL SDA

22µF

V

Fig. 5. Audio system (d.c. tests)

Input

measurement

point

d.c. measured from pins: 3, 5, 12, 14, 22, 24, 33, 34, 35, 36, 37, 40, 42

Note) All +9V supplies de-coupled close to supply pins, 20, 38, 60 with 10nF ceramic capacitor.

– 17 –

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