Owner manual

MAX9729
Stereo Headphone Amplifier with BassMax,
Volume Control, and Input Mux
18 ______________________________________________________________________________________
A
V_TOTAL
(dB)
B4 B3 B2 B1 B0
ATTEN FROM
MAX GAIN
SETTING (dB)
WITH A
V
_
MAX
= +3.5dB WITH A
V
_
MAX
= +6dB WITH A
V
_
MAX
= +8dB
0 0 0 0 0 -0 +3.5 +6 +8
0 0 0 0 1 -1.7 +1.8 +4.3 +6.3
0 0 0 1 0 -3.4 +0.1 +2.6 +4.6
0 0 0 1 1 -4.8 -1.3 +1.2 +3.2
0 0 1 0 0 -6.2 -2.7 -0.2 +1.8
0 0 1 0 1 -7.6 -4.1 -1.6 +0.4
0 0 1 1 0 -9 -5.5 -3 -1
0 0 1 1 1 -10.4 -6.9 -4.4 -2.4
0 1 0 0 0 -11.8 -8.3 -5.8 -3.8
0 1 0 0 1 -13.2 -9.7 -7.2 -5.2
0 1 0 1 0 -14.6 -11.1 -8.6 -6.6
0 1 0 1 1 -16 -12.5 -10 -8
0 1 1 0 0 -17.4 -13.9 -11.4 -9.4
0 1 1 0 1 -18.8 -15.3 -12.8 -10.8
0 1 1 1 0 -20.2 -16.7 -14.2 -12.2
0 1 1 1 1 -21.6 -18.1 -15.6 -13.6
1 0 0 0 0 -23.1 -19.6 -17.1 -15.1
1 0 0 0 1 -24.4 -20.9 -18.4 -16.4
1 0 0 1 0 -26 -22.5 -20 -18
1 0 0 1 1 -27.1 -23.6 -21.1 -19.1
1 0 1 0 0 -28.6 -25.1 -22.6 -20.6
1 0 1 0 1 -30.1 -26.6 -24.1 -22.1
1 0 1 1 0 -32.3 -28.8 -26.3 -24.3
1 0 1 1 1 -35.1 -31.6 -29.1 -27.1
1 1 0 0 0 -38.6 -35.1 -32.6 -30.6
1 1 0 0 1 -42.1 -38.6 -36.1 -34.1
1 1 0 1 0 -46.2 -42.7 -40.2 -38.2
1 1 0 1 1 -50.7 -47.2 -44.7 -42.7
1 1 1 0 0 -54.2 -50.7 -48.2 -46.2
1 1 1 0 1 -60.2 -56.7 -54.2 -52.2
1 1 1 1 0 -70 -66.5 -64 -62
1 1 1 1 1 MUTE MUTE MUTE MUTE
Table 5a. Volume Control (Register 0x00)