TDA7402 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TDA7402' PDF : 69 Pages View PDF
I2C bus interface
TDA7402
Table 15. Volume (2)
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
Attenuation
Gain/attenuation
0 0 0 0 0 0 0 0 (+32.0dB)
0 0 0 0 0 0 0 1 (+31.5dB)
:
: :::::
::
0 0 0 1 1 0 0 0 +20.0dB
0 0 0 1 1 0 0 1 +19.5dB
0 0 0 1 1 0 1 0 +19.0dB
Obsolete Product(s) - Obsolete Product(s) Note:
:
: :::::
::
0 0 1 1 1 1 1 1 +0.5dB
0 1 0 0 0 0 0 0 0.0dB
0 1 0 0 0 0 0 1 -0.5dB
:
: :::::
::
1 1 0 1 1 1 1 0 -79.0dB
1 1 0 1 1 1 1 1 -79.5dB
It is not recommended to use a gain more than 20dB for system performance reason. In
general, the maximum gain should be limited by software to the maximum value, which is
needed for the system.
Table 16. Treble filter (3)
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
0000
0000
::::
0111
0111
Treble steps
0 -15dB
1 -14dB
::
0 -1 dB
1 0 dB
1111
1111
::::
1000
1 0 dB
0 +1 dB
::
1 +14 dB
Function
1 0 0 0 0 +15dB
00
01
10
11
Treble center frequency
10.0 kHz
12.5 kHz
15.0 kHz
17.5 kHz
Subwoofer + center speaker mode
0
On
1
Off
50/69
Share Link: 
