參數(shù)資料
型號(hào): TPA3002D2PHPR
廠(chǎng)商: TEXAS INSTRUMENTS INC
元件分類(lèi): 音頻控制
英文描述: 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PQFP48
封裝: GREEN, PLASTIC, HTQFP-48
文件頁(yè)數(shù): 39/40頁(yè)
文件大小: 735K
代理商: TPA3002D2PHPR
TPA3002D2
SLOS402C DECEMBER 2002 REVISED JANUARY 2004
www.ti.com
8
Table 2. DC Volume Control for VAROUT Outputs
VAROUT_VOLUME (V)
FROM FIGURE 35 AS
A PERCENTAGE OF
VREF (INCREASING
VOLUME OR FIXED
GAIN)
VAROUT_VOLUME (V)
FROM FIGURE 35
AS A PERCENTAGE OF
VREF (DECREASING
VOLUME)
GAIN OF VAROUT
AMPLIFIER
%
dB
0 4.5
0 2.9
66(1)
4.5 6.7
2.9 5.1
56.0
6.7 8.91
5.1 7.2
53.5
8.9 11.1
7.2 9.4
50.9
11.1 13.3
9.4 11.6
48.4
13.3 15.5
11.6 13.8
45.9
15.5 17.7
13.8 16.0
43.3
17.7 19.9
16.0 18.2
40.8
19.9 22.1
18.2 20.4
38.3
22.1 24.3
20.4 22.6
35.7
24.3 26.5
22.6 24.8
33.2
26.5 28.7
24.8 27.0
30.7
28.7 30.9
27.0 29.1
28.1
30.9 33.1
29.1 31.3
25.6
33.1 35.3
31.3 33.5
23.1
35.3 37.5
33.5 35.7
20.5
37.5 39.7
35.7 37.9
18.0
39.7 41.9
37.9 40.1
15.5
41.9 44.1
40.1 42.3
13.0(1)
44.1 46.4
42.3 44.5
10.4
46.4 48.6
44.5 46.7
7.9
48.6 50.8
46.7 48.9
5.3
50.8 53.0
48.9 51.0
2.8
53.0 55.2
51.0 53.2
0.3
55.2 57.4
53.2 55.4
2.3
57.4 59.6
55.4 57.6
4.8
59.6 61.8
57.6 59.8
7.3
61.8 64.0
59.8 62.0
9.9
64.0 66.2
62.0 64.2
12.4
66.2 68.4
64.2 66.4
14.9
68.4 70.6
66.4 68.6
17.5
> 70.6
>68.6
20.0(1)
(1) Tested in production. Remaining steps are specified by design.
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