2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
Table 3C. MAX9750C Volume Levels
V
VOL
(V)
SPꢀAKꢀR MODꢀ GAIN (dB)
HꢀADPHONꢀ 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
6
5
7.5
7
9
8.5
8
10.5
10
9.5
9
0
-1
3
2.5
2
0.49
0.5673
0.6447
0.722
0.5673
0.6447
0.722
4
6
-2
3
5
7.5
7
-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
1
4
8.5
8
-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
-1
3
6
-7
0
-3
1
5
7.5
7
-9
-1
-5
-1
4
-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
-7
-3
3
6
-3
-9
-5
1
5
-5
-11
-13
-15
-17
-19
-21
-23
-25
-27
-29
-31
-33
-35
-37
-41
-45
-48
-53
-57
-61
-65
MUTE
-7
-1
4
-7
-9
-3
3
-9
-11
-13
-15
-17
-19
-21
-23
-25
-27
-29
-31
-3
-5
1
-11
-13
-15
-17
-19
-21
-23
-25
-27
-29
-31
-33
-35
-37
-39
-41
-43
-47
-51
MUTE
-7
-1
-9
-3
-11
-13
-15
-17
-9
-5
-7
-9
-11
-13
-15
-17
-19
-21
-23
-25
-27
-29
-31
-33
-35
MUTE
-21
-23
-2
-27
-29
-31
-33
-35
-37
-41
-45
MUTE
2.3463
2.4237
2.501
-35
-37
-41
-45
-49
-53
-57
MUTE
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.
______________________________________________________________________________________ 17
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
