MAX9750CETI+ Maxim Integrated Products, MAX9750CETI+ Datasheet - Page 18

• Manufacturer Part Number: MAX9750CETI+
• Description: IC AMP AUDIO PWR 2.6W AB 28TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9750CETI+

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 2.2W x 2 @ 3 Ohm; 110mW x 2 @ 16 Ohm
• Voltage - Supply: 4.5 V ~ 5.5 V
• Features: Depop, Short-Circuit and Thermal Protection, Shutdown, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
Table 3C. MAX9750C Volume Levels
* Based on HPV
X = Don’t care.
18
0.5673
0.6447
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
2.3463
2.4237
2.5783
2.6557
2.8104
V
0.722
2.269
2.501
2.733
0.49
MIN
______________________________________________________________________________________
0
*
V
DD
0.5673
0.6447
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
2.3463
2.4237
2.5783
2.6557
2.8104
V
VOL
0.722
2.269
2.501
2.733
0.49
MAX
3.3
= 3.3V
(V)
*
HPV
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
DD
*
GAIN1 = 0,
GAIN2 = 0
MUTE
-11
-13
-15
-17
-19
-21
-23
-25
-27
-29
-31
-33
-35
-37
-41
-45
-48
-53
-57
-61
-65
-1
-3
-5
-7
-9
6
5
4
3
1
SPEAKER MODE GAIN (dB)
GAIN1 = 1,
GAIN2 = 0
MUTE
-11
-13
-15
-17
-19
-21
-23
-25
-27
-29
-31
-35
-37
-41
-45
-49
-53
-57
7.5
-1
-3
-5
-7
-9
-3
3
7
6
5
4
1
GAIN1 = 0,
GAIN2 = 1
MUTE
8.5
7.5
-11
-13
-15
-17
-21
-23
-27
-29
-31
-33
-35
-37
-41
-45
-1
-3
-5
-7
-9
-9
-2
9
8
7
6
5
4
3
1
GAIN1 = 1
GAIN2 = 1
MUTE
10.5
9.5
8.5
7.5
-11
-13
-15
-17
-19
-21
-23
-25
-27
-29
-31
-33
-35
10
-1
-3
-5
-7
-9
9
8
7
6
5
4
3
1
HEADPHONE MODE GAIN (dB)
GAIN1 = X,
GAIN2 = 0
MUTE
-11
-13
-15
-17
-19
-21
-23
-25
-27
-29
-31
-33
-35
-37
-39
-41
-43
-47
-51
-55
-59
-63
-67
-71
-1
-2
-3
-5
-7
-9
0
GAIN1 = X,
GAIN2 = 1
MUTE
2.5
1.5
-11
-13
-15
-17
-19
-21
-23
-25
-27
-29
-31
-33
-35
-37
-39
-41
-43
-47
-51
-1
-2
-3
-5
-7
-9
3
2
1
0