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Part Name
Description
7404 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
7404
CARRADIO-SIGNAL-PROCESSOR
STMicroelectronics
'7404' PDF : 26 Pages
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TDA7404D
2.5.9 Speaker Attenuator Right Rear
MSB
D
7
D
6
D
5
D
4
D
3
D
2
0
0
0
0
0
0
0
0
:
:
:
:
0
1
0
1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
0
1
1
1
0
1
1
1
0
1
1
1
X
X
1
X
X
X
LSB
D
1
D
0
ATTENUATION
Attenuation
0
0 0 dB
0
1 -1 dB
:
::
1
1 -23 dB
0
0 -24.5dB
0
1 -26 dB
1
0 -28 dB
1
1 -30 dB
0
0 -32 dB
0
1 -35 dB
1
0 -40 dB
1
1 -50 dB
X
X Speaker Mute
2.5.10 Subwoofer Attenuator (Left & Right)
MSB
LSB
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
FUNCTION
Attenuation
0
0
0
0
0
0 0 dB
0
0
0
0
0
1 -1 dB
:
:
:
:
:
::
0
1
0
1
1
1 -23 dB
0
1
1
0
0
0 -24.5dB
0
1
1
0
0
1 -26 dB
0
1
1
0
1
0 -28 dB
0
1
1
0
1
1 -30 dB
0
1
1
1
0
0 -32 dB
0
1
1
1
0
1 -35 dB
0
1
1
1
1
0 -40 dB
0
1
1
1
1
1 -50 dB
X
X
1
X
X
X
X
X Speaker Mute
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