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componentes Descripción

Fabricante

APA4838

Stereo 2.8W Audio Power Amplifier with DC Volume Control and Selectable Gain

Anpec Electronics 

APA4838

Application Information

Volume Control Table

Gain (dB)

Voltage Range (% of Vdd)

Low

High

Recommended

0

77.5%

100.00%

100.000%

-1

75.0%

78.5%

76.875%

-2

72.5%

76.25%

74.375%

-3

70.0%

73.75%

71.875%

-4

67.5%

71.25%

69.375%

-5

65.0%

68.75%

66.875%

-6

62.5%

66.25%

64.375%

-8

60.0%

63.75%

61.875%

-10

57.5%

61.25%

59.375%

-12

55.0%

58.75%

56.875%

-14

52.5%

56.25%

54.375%

-16

50.0%

53.75%

51.875%

-18

47.5%

51.25%

49.375%

-20

45.0%

48.75%

46.875%

-22

42.5%

46.25%

44.375%

-24

40.0%

43.75%

41.875%

-26

37.5%

41.25%

39.375%

-28

35.0%

38.75%

36.875%

-30

32.5%

36.25%

34.375%

-32

30.0%

33.75%

31.875%

-34

27.5%

31.25%

29.375%

-36

25.0%

28.75%

26.875%

-38

22.5%

26.25%

24.675%

-40

20.0%

23.75%

21.875%

-42

17.5%

21.25%

19.375%

-44

15.0%

18.75%

16.875%

-46

12.5%

16.25%

14.375%

-48

10.0%

13.75%

11.875%

-50

7.5%

11.25%

9.375%

-52

5.0%

8.75%

6.875%

-78

0.0%

6.25%

0.000%

Voltage Range (Vdd=5V)

Low

High

Recommended

3.875

5.000

5.000

3.750

3.938

3.844

3.625

3.813

3.719

3.500

3.688

3.594

3.375

3.563

3.469

3.250

3.438

3.344

3.125

3.313

3.219

3.000

3.188

3.094

2.875

3.063

2.969

2.750

2.938

2.844

2.625

2.813

2.719

2.500

2.688

2.594

2.375

2.563

2.469

2.250

2.438

2.344

2.125

2.313

2.219

2.000

2.188

2.094

1.875

2.063

1.969

1.750

1.938

1.844

1.625

1.813

1.719

1.500

1.688

1.594

1.375

1.563

1.469

1.250

1.438

1.344

1.125

1.313

1.219

1.000

1.188

1.094

0.875

1.063

0.969

0.750

0.937

0.844

0.625

0.812

0.719

0.500

0.687

0.594

0.375

0.562

0.469

0.250

0.437

0.344

0.000

0.312

0.000

Copyright  ANPEC Electronics Corp.

8

Rev. A.1 - Feb., 2003

www.anpec.com.tw

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