TDA7404 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TDA7404' PDF : 35 Pages View PDF
I2C bus interface
TDA7404
Table 13. Speaker attenuator left front
MSB
D7
D6
D5
D4
D3
D2
D1
0
0
0
0
0
0
0
0
0
0
:
:
:
:
:
0
1
0
1
1
0
1
1
0
0
0
1
1
0
0
0
1
1
0
1
0
1
1
0
1
0
1
1
1
0
0
1
1
1
0
0
1
1
1
1
0
1
1
1
1
1
X
X
X
X
00
01
10
11
Table 14. Speaker attenuator right front
MSB
D7
D6
D5
D4
D3
D2
D1
0
0
0
0
0
0
0
0
0
0
:
:
:
:
:
0
1
0
1
1
0
1
1
0
0
0
1
1
0
0
0
1
1
0
1
0
1
1
0
1
0
1
1
1
0
0
1
1
1
0
0
1
1
1
1
0
1
1
1
1
X
X
1
X
X
X
X
LSB
D0
Function
Attenuation
0 0 dB
1 -1 dB
::
1 -23 dB
0 -24.5 dB
1 -26 dB
0 -28 dB
1 -30 dB
0 -32 dB
1 -35 dB
0 -40 dB
1 -50 dB
X Speaker Mute
Bass Center-Frequency
60 Hz
80 Hz
100 Hz
200 Hz
LSB
D0
0
1
:
1
0
1
0
1
0
1
0
1
X
Function
Attenuation
0 dB
-1 dB
:
-23 dB
-24.5 dB
-26 dB
-28 dB
-30 dB
-32 dB
-35 dB
-40 dB
-50 dB
Speaker Mute
28/35
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