2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
Table 3B. MAX9750B Volume Levels
HꢀADPHONꢀ MODꢀ GAIN
(dB)
V
VOL
(V)
SPꢀAKꢀR MODꢀ GAIN (dB)
GAIN1 = 0,
GAIN2 = 0
GAIN1 = 1,
GAIN2 = 0
GAIN1 = 0,
GAIN2 = 1
GAIN1 = 1
GAIN2 = 1
GAIN1 = X,
GAIN2 = 0
GAIN1 = X,
GAIN2 = 1
V
MIN
*
V
MAX
*
HPV
*
DD
0
0.49
0.074
0.160
0.183
0.207
0.230
0.253
0.277
0.300
0.324
0.347
0.371
0.394
0.418
0.441
0.464
0.488
0.511
0.535
0.558
0.582
0.605
0.628
0.652
0.675
0.699
0.722
0.746
0.769
0.793
0.816
0.839
0.858
15
14
16.5
16
18
17.5
17
19.5
19
0
-1
3
2.5
2
0.49
0.5673
0.6447
0.722
0.5673
0.6447
0.722
13
15
18.5
18
-2
12
14
16.5
16
-3
1.5
1
0.7994
0.8767
0.9541
1.0314
1.1088
1.1861
1.2635
1.3408
1.4182
1.4955
1.5728
1.6502
1.7275
1.8049
1.8822
1.9596
2.0369
2.1143
2.1916
2.269
10
13
17.5
17
-5
0.7994
0.8767
0.9541
1.0314
1.1088
1.1861
1.2635
1.3408
1.4182
1.4955
1.5728
1.6502
1.7275
1.8049
1.8822
1.9596
2.0369
2.1143
2.1916
2.269
8
12
15
-7
0
6
10
14
16.5
16
-9
-1
4
8
13
-11
-13
-15
-17
-19
-21
-23
-25
-27
-29
-31
-33
-35
-37
-39
-41
-43
-47
-51
-55
-59
-63
-67
-71
MUTE
-2
2
6
12
15
-3
0
4
10
14
-5
-2
2
8
13
-7
-4
0
6
12
-9
-6
-2
4
10
-11
-13
-15
-17
-19
-21
-23
-25
-27
-29
-31
-33
-35
-37
-39
-41
-43
-47
-51
MUTE
-8
-4
2
8
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-32
-36
-40
-44
-48
-52
-56
MUTE
-6
0
6
-8
-2
4
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-32
-36
-40
-44
-48
MUTE
-4
2
-6
0
-8
-2
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-32
-36
MUTE
-4
-6
-8
-10
-12
-14
-16
-18
-20
-22
-24
-26
MUTE
2.3463
2.4237
2.501
2.3463
2.4237
2.501
2.5783
2.6557
2.733
2.5783
2.6557
2.733
2.8104
3.3
2.8104
*Based on HPV = 3.3V
DD
X = Don’t care.
16 ______________________________________________________________________________________
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
