Table 1. DC Volume Control

0 ~ 0.65

0.65 ~ 0.79

0.79 ~ 0.91

0.91 ~ 1.05

1.05 ~ 1.18

1.18 ~ 1.30

1.30 ~ 1.44

1.44 ~ 1.56

1.56 ~ 1.70

1.70 ~ 1.82

1.82 ~ 1.96

1.96 ~ 2.08

-65

-39.5

-37.6

-35.6

-33.5

-31.7

-29.6

-27.7

-25.9

-23.8

-22.1

-20.0

2.08 ~ 2.21

2.21 ~ 2.35

2.35 ~ 2.47

2.47 ~ 2.59

2.59 ~ 2.73

2.73 ~ 2.85

2.85 ~ 2.99

2.99 ~ 3.12

3.12 ~ 3.24

3.24 ~ 3.38

3.38 ~ 3.50

3.50 ~ 3.64

3.64 ~ 3.76

3.76 ~ 3.89

3.89 ~ 4.02

4.02 ~ 4.15

4.15 ~ 4.29

4.29 ~ 4.41

4.41 ~ 4.53

4.53 ~ 5.00

-18.0

-15.9

-13.9

-12.0

-10.0

-7.97

-5.97

-4.00

-2.01

0.01

1.98

3.96

5.97

7.98

9.96

12.0

13.9

15.9

18.0

19.9

-70

-45.4

-43.6

-41.6

-39.5

-37.7

-35.7

-33.7

-32.0

-29.8

-28.1

-26.0

-24.1

-21.9

-20.0

-18.1

-16.0

-14.0

-12.0

-10.0

-8.04

-6.01

-4.05

-2.07

0.05

1.96

3.95

5.95

7.93

9.92

11.9

13.9

Voltage on volume pin

Headphone volume

(dB)

SAMHOP Microelectronics Corp.

3W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL

Speaker volume

(dB)

Page 5

V.0.2 April 03,2007