參數(shù)資料
型號: LM4682SQ
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 音頻/視頻放大
英文描述: 10 Watt Stereo CLASS D Audio Power Amplifier with Stereo Headphone Amplifier and DC Volume Control
中文描述: 10 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC48
封裝: LLP-48
文件頁數(shù): 7/22頁
文件大?。?/td> 1033K
代理商: LM4682SQ
TABLE 2. Volume Control Table
Voltage Range (% of VOLVDD)
Voltage Range (V), VOLVDD = 5V
Gain (dB)
Step
Low
High
Recommended
Low
High
Recommended
Class D
Amplifier
Headphone
Amplifier
1
77.50%
100.00%
100.000%
3.875
5.000
29.97
13.06
2
75.00%
78.50%
76.875%
3.750
3.925
3.844
28.97
12.07
3
72.50%
76.25%
74.375%
3.625
3.813
3.719
27.97
11.07
4
70.00%
73.75%
71.875%
3.500
3.688
3.594
26.96
10.06
5
67.50%
71.25%
69.375%
3.375
3.563
3.469
25.98
9.07
6
65.00%
68.75%
66.875%
3.250
3.438
3.344
24.97
8.07
7
62.50%
66.25%
64.375%
3.125
3.313
3.219
23.95
7.05
8
60.00%
63.75%
61.875%
3.000
3.188
3.094
21.98
5.08
9
57.50%
61.25%
59.375%
2.875
3.063
2.969
19.95
3.05
10
55.00%
58.75%
56.785%
2.750
2.983
2.844
17.96
1.06
11
52.50%
56.25%
54.375%
2.625
2.813
2.719
15.97
–0.93
12
50.00%
53.75%
51.875%
2.500
2.688
2.594
13.99
–2.91
13
47.50%
51.25%
49.375%
2.375
2.563
2.469
11.99
–4.91
14
45.00%
48.75%
46.875%
2.250
2.438
2.344
9.95
–6.96
15
42.50%
46.25%
44.375%
2.125
2.313
2.219
7.96
–8.94
16
40.00%
43.75%
41.875%
2.000
2.188
2.094
5.96
–10.95
17
37.50%
41.25%
39.375%
1.875
2.063
1.969
3.99
–12.91
18
35.00%
38.75%
36.875%
1.750
1.938
1.844
2.03
–14.87
19
32.50%
36.25%
34.375%
1.625
1.813
1.719
–0.02
–16.92
20
30.00%
33.75%
31.875%
1.500
1.688
1.594
–2.11
–19.02
21
27.50%
31.25%
29.375%
1.375
1.563
1.469
–4.16
–21.06
22
25.00%
28.75%
26.875%
1.250
1.438
1.344
–5.97
–22.87
23
22.50%
26.25%
24.375%
1.125
1.313
1.219
–8.77
–25.68
24
20.00%
23.75%
21.875%
1.000
1.188
1.094
–12.06
–28.96
25
17.50%
21.25%
19.375%
0.875
1.063
0.969
–14.84
–31.75
26
15.00%
18.75%
16.875%
0.750
0.938
0.844
–17.36
–34.26
27
12.50%
16.25%
14.375%
0.625
0.813
0.719
–20.89
–37.79
28
10.00%
13.75%
11.875%
0.500
0.688
0.594
–26.92
–43.83
29
7.50%
11.25%
9.375%
0.375
0.563
0.469
–32.95
–49.85
30
5.00%
8.75%
6.875%
0.250
0.438
0.344
–38.97
–55.88
31
0.00%
6.25%
0.000%
0.000
0.313
0.000
–48.03
–64.94
15
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LM4682
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