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TDA7438 数据表(PDF) 13 Page - STMicroelectronics

部件名 TDA7438
功能描述  THREE BANDS DIGITALLY CONTROLLED AUDIO PROCESSOR
PDF  19 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7438 数据表(HTML) 13 Page - STMicroelectronics

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TDA7438
Table 12. TREBLE SELECTION
Table 13. SPEAKER ATTENUATE SELECTION
SPEAKER ATTENUATION = 0 to -79dB/MUTE
MSB
LSB
TREBLE
D7
D6
D5
D4
D3
D2
D1
D0
2dB STEPS
0
0
0
0
-14dB
0
0
0
1
-12dB
0
0
1
0
-10dB
001
1
-8dB
010
0
-6dB
010
1
-4dB
011
0
-2dB
011
1
0dB
111
1
0dB
111
0
2dB
110
1
4dB
110
0
6dB
101
1
8dB
101
0
10dB
100
1
12dB
100
0
14dB
MSB
LSB
SPEAKER ATTENUATION
D7
D6
D5
D4
D3
D2
D1
D0
1dB
000
0dB
001
-1dB
010
-2dB
011
-3dB
100
-4dB
101
-5dB
110
-6dB
111
-7dB
000
0
0dB
000
1
-8dB
0
0
1
0
-16dB
0
0
1
1
-24dB
0
1
0
0
-32dB
0
1
0
1
-40dB
0
1
1
0
-48dB
0
1
1
1
-56dB
1
0
0
0
-64dB
1
0
0
1
-72dB
111
1
X
X
X
MUTE



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