MAX9750CETI+ Maxim Integrated Products, MAX9750CETI+ Datasheet - Page 16
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MAX9750CETI+
Manufacturer Part Number
MAX9750CETI+
Description
IC AMP AUDIO PWR 2.6W AB 28TQFN
Manufacturer
Maxim Integrated Products
Series
DirectDrive™r
Type
Class ABr
Datasheet
1.MAX9750AEUI.pdf
(30 pages)
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 3A. MAX9750A Volume Levels
* Based on HPV
X = Don’t care.
16
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
1.8094
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
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
MAX
DD
VOL
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
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-30
-32
-34
-38
-42
-46
-50
-54
-58
-62
-2
-4
-6
-8
9
4
2
8
7
6
0
SPEAKER MODE GAIN (dB)
GAIN1 = 1,
GAIN2 = 0
MUTE
10.5
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-30
-32
-34
-38
-42
-46
-50
-54
10
-2
-4
-6
-8
9
8
7
6
4
2
0
GAIN1 = 0,
GAIN2 = 1
MUTE
11.5
10.5
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-30
-32
-34
-38
-42
12
11
10
-2
-4
-6
-8
9
8
7
6
4
2
0
GAIN1 = 1
GAIN2 = 1
MUTE
13.5
12.5
11.5
10.5
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-30
-32
13
12
11
10
-2
-4
-6
-8
9
8
7
6
4
2
0
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
-11
-13
-15
-17
-19
-21
-23
-25
-27
-29
-31
-33
-35
-37
-39
-41
-43
-47
-51
2.5
1.5
-1
-2
-3
-5
-7
-9
3
2
1
0