MAX9752BETI+T Maxim Integrated Products, MAX9752BETI+T Datasheet - Page 18

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

Specifications of MAX9752BETI+T

• 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

2.2W, Low-EMI, Stereo, Class D Power Amplifiers
with DirectDrive Headphone Amplifiers
Table 5b. MAX9752B Volume Levels
*Based on HPV
X = Don’t care.
18
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
V
MIN
______________________________________________________________________________________
0
V
*
VOL
(V)
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
DD
MAX
= 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
GAIN1 = 0,
GAIN2 = 0
MUTE
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-32
-36
-40
-44
-48
-52
-56
15
14
13
12
10
-2
-4
-6
-8
8
6
4
2
0
SPEAKER MODE GAIN (dB)
GAIN1 = 1,
GAIN2 = 0
MUTE
16.5
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-32
-36
-40
-44
-48
16
15
14
13
12
10
-2
-4
-6
-8
8
6
4
2
0
GAIN1 = 0,
GAIN2 = 1
MUTE
17.5
16.5
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-32
-36
18
17
16
15
14
13
12
10
-2
-4
-6
-8
8
6
4
2
0
GAIN1 = 1
GAIN2 = 1
MUTE
19.5
18.5
17.5
16.5
-10
-12
-14
-16
-18
-20
-22
-24
-26
19
18
17
16
15
14
13
12
10
-2
-4
-6
-8
8
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