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TPA6030A4PWP Datasheet(PDF) 6 Page - Texas Instruments

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No. de Pieza. TPA6030A4PWP
Descripción  3-2 STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL
Descarga  27 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPA6030A4PWP Datasheet(HTML) 6 Page - Texas Instruments

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TPA6030A4
SLOS395A – DECEMBER 2002 – REVISED JANUARY 2003
www.ti.com
6
VOLUME CONTROL
Table 1 shows the functionality of the 32-step volume control. The voltage difference between trip levels is 2.66% of 5VREF,
and the difference between gain steps is 2.53 dB.
Table 1. Volume Control
(VCC = 12 V, No Load, SEDIFF = 0 V, SEMAX = 5VREF)
VOLTAGE ON VOLUME PIN AS A
PERCENTAGE 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
Refer to the section entitled Volume Control Description in the Application Information section of this data sheet for more
details regarding the use of the volume control.


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