Datasheet

MAX9744
20W Stereo Class D Speaker Amplifier
with Volume Control
20 ______________________________________________________________________________________
SDA/VOL VOLUME
V5 V4 V3 V2 V1 V0
VOLUME
POSITION
VOLUME INPUT VOLTAGE (V) ATTENUATION (dB)
0 1 1 1 1 1 31 0.506 x V
DD
-17.5
0 1 1 1 1 0 30 0.519 x V
DD
-19.7
0 1 1 1 0 1 29 0.532 x V
DD
-21.6
0 1 1 1 0 0 28 0.544 x V
DD
-23.5
0 1 1 0 1 1 27 0.557 x V
DD
-25.2
0 1 1 0 1 0 26 0.570 x V
DD
-27.2
0 1 1 0 0 1 25 0.583 x V
DD
-29.8
0 1 1 0 0 0 24 0.595 x V
DD
-31.5
0 1 0 1 1 1 23 0.608 x V
DD
-33.4
0 1 0 1 1 0 22 0.621 x V
DD
-36.0
0 1 0 1 0 1 21 0.633 x V
DD
-37.6
0 1 0 1 0 0 20 0.646 x V
DD
-39.6
0 1 0 0 1 1 19 0.659 x V
DD
-42.1
0 1 0 0 1 0 18 0.671 x V
DD
-43.7
0 1 0 0 0 1 17 0.684 x V
DD
-45.6
0 1 0 0 0 0 16 0.697 x V
DD
-48.1
0 0 1 1 1 1 15 0.710 x V
DD
-50.6
0 0 1 1 1 0 14 0.722 x V
DD
-54.2
0 0 1 1 0 1 13 0.735 x V
DD
-56.7
0 0 1 1 0 0 12 0.748 x V
DD
-60.2
0 0 1 0 1 1 11 0.760 x V
DD
-62.7
0 0 1 0 1 0 10 0.773 x V
DD
-66.2
0 0 1 0 0 1 9 0.786 x V
DD
-68.7
0 0 1 0 0 0 8 0.798 x V
DD
-72.2
0 0 0 1 1` 1 7 0.811 x V
DD
-74.7
0 0 0 1 1 0 6 0.824 x V
DD
-78.3
0 0 0 1 0 1 5 0.837 x V
DD
-80.8
0 0 0 1 0 0 4 0.849 x V
DD
-84.3
0 0 0 0 1 1 3 0.862 x V
DD
-86.8
0 0 0 0 1 0 2 0.875 x V
DD
-90.3
0 0 0 0 0 1 1 0.887 x V
DD
-92.8
0 0 0 0 0 0 0 0.900 x V
DD
MUTE
Table 7. Speaker Volume Levels (continued)