TDA7412 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TDA7412' PDF : 56 Pages View PDF
TDA7412
9.6.3 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
:
:
:
:
:
:
:
::
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
:
:
:
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::
1
1 0 1 1 1 1 0 -79.0dB
1
1 0 1 1 1 1 1 -79.5dB
Note: It is not recommended to use a gain more than 20dB for system performance reason. In general, the max. gain should be limited by
software to the maximum value, which is needed for the system.
9.6.4 Treble Filter (3)
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
FUNCTION
Treble Steps
0 0 0 0 0 -15dB
0 0 0 0 1 -14dB
:
:
:
:
::
0 1 1 1 0 -1 dB
0 1 1 1 1 0 dB
1 1 1 1 1 0 dB
1 1 1 1 0 +1 dB
:
:
:
:
::
1 0 0 0 1 +14 dB
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
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