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TDA7449 数据表(PDF) 13 Page - STMicroelectronics

部件名 TDA7449
功能描述  TONE CONTROL 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

TDA7449 数据表(HTML) 13 Page - STMicroelectronics

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TDA7449
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
00
11
-8dB
01
00
-6dB
01
01
-4dB
01
10
-2dB
01
11
0dB
11
11
0dB
11
10
2dB
11
01
4dB
11
00
6dB
10
11
8dB
10
10
10dB
10
01
12dB
10
00
14dB
MSB
LSB
SPEAKER ATTENUATION
D7
D6
D5
D4
D3
D2
D1
D0
1dB
0
0
0
0dB
0
0
1
-1dB
0
1
0
-2dB
0
1
1
-3dB
1
0
0
-4dB
1
0
1
-5dB
1
1
0
-6dB
1
1
1
-7dB
00
00
0dB
00
01
-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
11
11
X
X
X
MUTE



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