Table 5b. volume control (register 0x00) – Rainbow Electronics MAX9729 User Manual
Page 19
MAX9729
Stereo Headphone Amplifier with BassMax,
Volume Control, and Input Mux
______________________________________________________________________________________
19
A
V_TOTAL
(dB)
B4
B3
B2
B1
B0
ATTEN FROM
MAX GAIN
SETTING (dB)
WITH A
V_MAX
= +10dB
WITH A
V_MAX
= +19.5dB
WITH A
V_MAX
= +22dB
0
0
0
0
0
-0
+10
+19.5
+22
0
0
0
0
1
-1.7
+8.3
+17.8
+20.3
0
0
0
1
0
-3.4
+6.6
+16.1
+18.6
0
0
0
1
1
-4.8
+5.2
+14.7
+17.2
0
0
1
0
0
-6.2
+3.8
+13.3
+15.8
0
0
1
0
1
-7.6
+2.4
+11.9
+14.4
0
0
1
1
0
-9
+1
+10.5
+13
0
0
1
1
1
-10.4
-0.4
+9.1
+11.6
0
1
0
0
0
-11.8
-1.8
+7.7
+0.2
0
1
0
0
1
-13.2
-3.2
+6.3
+8.8
0
1
0
1
0
-14.6
-4.6
+4.9
+7.4
0
1
0
1
1
-16
-6
+3.5
+6
0
1
1
0
0
-17.4
-7.4
+2.1
+4.6
0
1
1
0
1
-18.8
-8.8
+0.7
+3.2
0
1
1
1
0
-20.2
-10.2
-0.7
+1.8
0
1
1
1
1
-21.6
-11.6
-2.1
+0.4
1
0
0
0
0
-23.1
-13.1
-3.6
-1.1
1
0
0
0
1
-24.4
-14.4
-4.9
-2.4
1
0
0
1
0
-26
-16
-6.5
-4
1
0
0
1
1
-27.1
-17.1
-7.6
-5.1
1
0
1
0
0
-28.6
-18.6
-9.1
-6.6
1
0
1
0
1
-30.1
-20.1
-10.6
-8.1
1
0
1
1
0
-32.3
-22.3
-12.8
-10.3
1
0
1
1
1
-35.1
-25.1
-15.6
-13.1
1
1
0
0
0
-38.6
-28.6
-19.1
-16.6
1
1
0
0
1
-42.1
-32.1
-22.6
-20.1
1
1
0
1
0
-46.2
-36.2
-26.7
-24.2
1
1
0
1
1
-50.7
-40.7
-31.2
-28.7
1
1
1
0
0
-54.2
-44.2
-34.7
-32.2
1
1
1
0
1
-60.2
-50.2
-40.7
-38.2
1
1
1
1
0
-70
-60
-50.5
-48
1
1
1
1
1
MUTE
MUTE
MUTE
MUTE
Table 5b. Volume Control (Register 0x00)