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TDA7449 Datasheet(PDF) 14 Page - STMicroelectronics

Part # TDA7449
Description  Digital tone control audio processor
PDF  21 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7449 Datasheet(HTML) 14 Page - STMicroelectronics

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TDA7449
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DocID006317 Rev 5
Gain = 0 to 30 dB
Volume = 0 to 47dB/mute
Table 9. Input gain selection
MSB
LSB
Input gain
2 dB steps
D7
D6
D5
D4
D3
D2
D1
D0
0000
0 dB
0001
2 dB
0010
4 dB
0011
6 dB
0100
8 dB
0101
10 dB
0110
12 dB
0111
14 dB
1000
16 dB
1001
18 dB
1010
20 dB
1011
22 dB
1100
24 dB
1101
26 dB
1110
28 dB
1111
30 dB
Table 10. Volume selection
MSB
LSB
Volume
1 dB steps
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
0 dB
0
0
1
-1 dB
0
1
0
-2 dB
0
1
1
-3 dB
1
0
0
-4 dB
1
0
1
-5 dB
1
1
0
-6 dB
1
1
1
-7 dB
0000
0 dB
0
0
0
1
-8 dB
0
0
1
0
-16 dB
0
0
1
1
-24 dB
0
1
0
0
-32 dB
0
1
0
1
-40 dB
X
1
1
1
X
X
X
Mute
Obsolete
Product(s)
- Obsolete
Product(s)



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