Rainbow Electronics MAX9755 User Manual
Page 16
MAX9750/MAX9751/MAX9755
2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
16
______________________________________________________________________________________
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
9
10.5
12
13.5
0
3
0.49
0.5673
0.160
8
10
11.5
13
-1
2.5
0.5673
0.6447
0.183
7
9
11
12.5
-2
2
0.6447
0.722
0.207
6
8
10.5
12
-3
1.5
0.722
0.7994
0.230
4
7
10
11.5
-5
1
0.7994
0.8767
0.253
2
6
9
11
-7
0
0.8767
0.9541
0.277
0
4
8
10.5
-9
-1
0.9541
1.0314
0.300
-2
2
7
10
-11
-2
1.0314
1.1088
0.324
-4
0
6
9
-13
-3
1.1088
1.1861
0.347
-6
-2
4
8
-15
-5
1.1861
1.2635
0.371
-8
-4
2
7
-17
-7
1.2635
1.3408
0.394
-10
-6
0
6
-19
-9
1.3408
1.4182
0.418
-12
-8
-2
4
-21
-11
1.4182
1.4955
0.441
-14
-10
-4
2
-23
-13
1.4955
1.5728
0.464
-16
-12
-6
0
-25
-15
1.5728
1.6502
0.488
-18
-14
-8
-2
-27
-17
1.6502
1.7275
0.511
-20
-16
-10
-4
-29
-19
1.7275
1.8049
0.535
-22
-18
-12
-6
-31
-21
1.8094
1.8822
0.558
-24
-20
-14
-8
-33
-23
1.8822
1.9596
0.582
-26
-22
-16
-10
-35
-25
1.9596
2.0369
0.605
-28
-24
-18
-12
-37
-27
2.0369
2.1143
0.628
-30
-26
-20
-14
-39
-29
2.1143
2.1916
0.652
-32
-28
-22
-16
-41
-31
2.1916
2.269
0.675
-34
-30
-24
-18
-43
-33
2.269
2.3463
0.699
-38
-32
-26
-20
-47
-35
2.3463
2.4237
0.722
-42
-34
-28
-22
-51
-37
2.4237
2.501
0.746
-46
-38
-30
-24
-55
-39
2.501
2.5783
0.769
-50
-42
-32
-26
-59
-41
2.5783
2.6557
0.793
-54
-46
-34
-28
-63
-43
2.6557
2.733
0.816
-58
-50
-38
-30
-67
-47
2.733
2.8104
0.839
-62
-54
-42
-32
-71
-51
2.8104
3.3
0.858
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
Table 3a. MAX9750A Volume Levels
*Based on HPV
DD
= 3.3V
X = Don’t care.