MAX9752BETI+ Maxim Integrated Products, MAX9752BETI+ Datasheet - Page 17

• Manufacturer Part Number: MAX9752BETI+
• Description: IC AMP AUDIO PWR 2.2W D 28TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class Dr

Specifications of MAX9752BETI+

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 2.2W x 2 @ 4 Ohm; 62mW 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

Table 5a. MAX9752A Volume Levels
*Based on HPV
X = Don’t care.
0.4900
0.5673
0.6447
0.7220
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
2.2690
2.3463
2.4237
2.5010
2.5783
2.6557
2.7330
2.8104
V
MIN
0
2.2W, Low-EMI, Stereo, Class D Power Amplifiers
V
*
VOL
(V)
0.4900
0.5673
0.6447
0.7220
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
2.2690
2.3463
2.4237
2.5010
2.5783
2.6557
2.7330
2.8104
3.3000
V
MAX
DD
= 3.3V.
*
______________________________________________________________________________________
FRACTION
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
OF
DD
with DirectDrive Headphone Amplifiers
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
8
7
6
4
2
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
11
13
12
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
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
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