User Manual

MAX9768
10W Mono Class D Speaker
Amplifier with Volume Control
18 ______________________________________________________________________________________
Table 5. Data Byte Format
D7
(MSB)
D6 D5 D4 D3 D2 D1
D0
(LSB)
0 0 V5 V4 V3 V2 V1 V0
Table 6. Speaker Volume Levels
V5 V4 V3 V2 V1 V0
VOLUME
POSITION
VOLUME
LEVEL (dB)
STEP SIZE
(dB)
111111 63 9.5 0.7
111110 62 8.8 0.7
111101 61 8.2 0.6
111100 60 7.6 0.6
111011 59 7.0 0.6
111010 58 6.5 0.5
111001 57 5.9 0.5
111000 56 5.4 0.5
110111 55 4.9 0.5
110110 54 4.4 0.5
110101 53 3.9 0.6
110100 52 3.4 0.4
110011 51 2.9 0.5
110010 50 2.4 0.4
110001 49 2.0 0.4
110000 48 1.6 0.4
101111 47 1.2 0.7
101110 46 0.5 1.0
101101 45 -0.5 1.5
101100 44 -1.9 1.5
101011 43 -3.4 1.5
101010 42 -5.0 1.1
101001 41 -6.0 1.1
101000 40 -7.1 1.8
100111 39 -8.9 1.0
100110 38 -9.9 1.0
100101 37 -10.9 1.1
100100 36 -12.0 1.2
100011 35 -13.1 1.3
100010 34 -14.4 0.9
100001 33 -15.4 1.0
100000 32 -16.4 1.1