Texas Instruments TPA6030A4 数据表
Volume Control
3-5
Reference
3.3
Volume Control
Table 3–2. Volume Control
(V
CC
= 12 V, No Load, SEDIFF = 0 V, SEMAX = 5VREF)
Voltage On VOLUME Pin as a
Percenatge of 5VREF
Speaker Volume
(dB)
Headphone Volume
(dB)
0–10
–80.00
–86.00
10–12.6
–40.00
–46.00
12.6–15.2
–37.47
–43.47
15.2–18
–34.93
–40.93
18–20.6
–32.40
–38.40
20.6–23.4
–29.87
–35.87
23.4–26
–27.33
–33.33
26–28.6
–24.80
–30.80
28.6–31.4
–22.27
–28.27
31.4–34
–19.73
–25.73
34–36.6
–17.20
–23.20
36.6–39.4
–14.67
–20.67
39.4–42
–12.13
–18.13
42–44.6
–9.60
–15.60
44.6–47.2
–7.07
–13.07
47.2–50
–4.53
–10.53
50–52.6
–2.00
–8.00
52.6–55.4
0.53
–5.47
55.4–58
3.07
–2.93
58–60.6
5.60
–0.40
60.6–63.4
8.13
2.13
63.4–66
10.67
4.67
66–68.6
13.20
7.20
68.6–71.4
15.73
9.73
71.4–74
18.27
12.27
74–76.6
20.80
14.80
76.6–79.4
23.33
17.33
79.4–82
25.87
19.87
82–84.6
28.40
22.40
84.6–87.4
30.93
24.93
87.4–90
33.47
27.47
90–100
36.00
30.00