2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
Table 3a. MAX9750A 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
9
8
10.5
10
12
11.5
11
13.5
13
0
-1
3
2.5
2
0.49
0.5673
0.6447
0.722
0.5673
0.6447
0.722
7
9
12.5
12
-2
6
8
10.5
10
-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
4
7
11.5
11
-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
1.8094
1.8822
1.9596
2.0369
2.1143
2.1916
2.269
2
6
9
-7
0
0
4
8
10.5
10
-9
-
-2
2
7
-11
-13
-15
-17
-19
-21
-23
-25
-27
-29
-31
-33
-35
-37
-39
-41
-3
-2
-4
0
6
9
-3
-6
-2
4
8
-5
-8
-4
2
7
-7
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-30
-32
-34
-38
-42
-46
-50
-54
-58
-62
MUTE
-6
0
6
-9
-8
-2
4
-11
-13
-15
-17
-19
-21
-23
-25
-27
-29
-31
-33
-35
-37
-39
-41
-43
-47
-51
MUTE
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-30
-32
-34
-38
-42
-46
-50
-54
MUTE
-4
2
-6
0
-8
-2
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-30
-32
-34
-38
-42
MUTE
-4
-6
-8
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-30
-32
MUTE
2.3463
2.4237
2.501
-47
-51
-55
-59
-63
-67
-71
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.
______________________________________________________________________________________ 15
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
