TPA3003D2 datasheet(7/34 Pages) TI

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TPA3003D2

SLOS406A − FEBRUARY 2003 − REVISED MARCH 2003

www.ti.com

Table 1. DC Volume Control

VOLTAGE ON THE

VOLUME PIN AS A

PERCENTAGE OF

VREF (INCREASING

VOLUME OR FIXED

GAIN)

VOLTAGE ON THE

VOLUME PIN AS A

PERCENTAGE OF

VREF (DECREASING

VOLUME)

GAIN OF AMPLIFIER

0 − 4.5

0 − 2.9

−75†

4.5 − 6.7

2.9 − 5.1

−40.0

6.7 − 8.91

5.1 − 7.2

−37.5

8.9 − 11.1

7.2 − 9.4

−35.0

11.1 − 13.3

9.4 − 11.6

−32.4

13.3 − 15.5

11.6 − 13.8

−29.9

15.5 − 17.7

13.8 − 16.0

−27.4

17.7 − 19.9

16.0 − 18.2

−24.8

19.9 − 22.1

18.2 − 20.4

−22.3

22.1 − 24.3

20.4 − 22.6

−19.8

24.3 − 26.5

22.6 − 24.8

−17.2

26.5 − 28.7

24.8 − 27.0

−14.7

28.7 − 30.9

27.0 − 29.1

−12.2

30.9 − 33.1

29.1 − 31.3

−9.6

33.1 − 35.3

31.3 − 33.5

−7.1

35.3 − 37.5

33.5 − 35.7

−4.6

37.5 − 39.7

35.7 − 37.9

−2.0

39.7 − 41.9

37.9 − 40.1

0.5†

41.9 − 44.1

40.1 − 42.3

3.1

44.1 − 46.4

42.3 − 44.5

5.6

46.4 − 48.6

44.5 − 46.7

8.1

48.6 − 50.8

46.7 − 48.9

10.7

50.8 − 53.0

48.9 − 51.0

13.2

53.0 − 55.2

51.0 − 53.2

15.7

55.2 − 57.4

53.2 − 55.4

18.3

57.4 − 59.6

55.4 − 57.6

20.8

59.6 − 61.8

57.6 − 59.8

23.3

61.8 − 64.0

59.8 − 62.0

25.9

64.0 − 66.2

62.0 − 64.2

28.4

66.2 − 68.4

64.2 − 66.4

30.9

68.4 − 70.6

66.4 − 68.6

33.5

> 70.6

>68.6

36.0†

† Tested in production. Remaining steps are specified by design.

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