Rainbow Electronics MAX9755 User Manual
Page 18
MAX9750/MAX9751/MAX9755
2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
18
______________________________________________________________________________________
V
VOL
(V)
SPEAKER MODE GAIN (dB)
HEADPHONE MODE GAIN (dB)
V
MIN
*
V
MAX
*
HPV
DD
*
GAIN1 = 0,
GAIN2 = 0
GAIN1 = 1,
GAIN2 = 0
GAIN1 = 0,
GAIN2 = 1
GAIN1 = 1
GAIN2 = 1
GAIN1 = X,
GAIN2 = 0
GAIN1 = X,
GAIN2 = 1
0
0.49
0.074
6
7.5
9
10.5
0
3
0.49
0.5673
0.160
5
7
8.5
10
-1
2.5
0.5673
0.6447
0.183
4
6
8
9.5
-2
2
0.6447
0.722
0.207
3
5
7.5
9
-3
1.5
0.722
0.7994
0.230
1
4
7
8.5
-5
1
0.7994
0.8767
0.253
-1
3
6
8
-7
0
0.8767
0.9541
0.277
-3
1
5
7.5
-9
-1
0.9541
1.0314
0.300
-5
-1
4
7
-11
-2
1.0314
1.1088
0.324
-7
-3
3
6
-13
-3
1.1088
1.1861
0.347
-9
-5
1
5
-15
-5
1.1861
1.2635
0.371
-11
-7
-1
4
-17
-7
1.2635
1.3408
0.394
-13
-9
-3
3
-19
-9
1.3408
1.4182
0.418
-15
-11
-5
1
-21
-11
1.4182
1.4955
0.441
-17
-13
-7
-1
-23
-13
1.4955
1.5728
0.464
-19
-15
-9
-3
-25
-15
1.5728
1.6502
0.488
-21
-17
-11
-5
-27
-17
1.6502
1.7275
0.511
-23
-19
-13
-7
-29
-19
1.7275
1.8049
0.535
-25
-21
-15
-9
-31
-21
1.8049
1.8822
0.558
-27
-23
-17
-11
-33
-23
1.8822
1.9596
0.582
-29
-25
-9
-13
-35
-25
1.9596
2.0369
0.605
-31
-27
-21
-15
-37
-27
2.0369
2.1143
0.628
-33
-29
-23
-17
-39
-29
2.1143
2.1916
0.652
-35
-31
-2
-19
-41
-31
2.1916
2.269
0.675
-37
-3
-27
-21
-43
-33
2.269
2.3463
0.699
-41
-35
-29
-23
-47
-35
2.3463
2.4237
0.722
-45
-37
-31
-25
-51
-37
2.4237
2.501
0.746
-48
-41
-33
-27
-55
-39
2.501
2.5783
0.769
-53
-45
-35
-29
-59
-41
2.5783
2.6557
0.793
-57
-49
-37
-31
-63
-43
2.6557
2.733
0.816
-61
-53
-41
-33
-67
-47
2.733
2.8104
0.839
-65
-57
-45
-35
-71
-51
2.8104
3.3
0.858
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
Table 3C. MAX9750C Volume Levels
*Based on HPV
DD
= 3.3V
X = Don’t care.