TDA7405 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TDA7405' PDF : 56 Pages View PDF
TDA7405
Table 13. Volume1) (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
:
:
:
:
:
:
:
::
1
1
0
1
1
1
1
0 -79.0dB
1
1
0
1
1
1
1
1 -79.5dB
Note: 1. 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.
Table 14. 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 -1dB
0
1
1
1
1 0dB
1
1
1
1
1 0dB
1
1
1
1
0 +1dB
:
:
:
:
::
1
0
0
0
1 +14dB
1
0
0
0
0 +15dB
0
0
0
1
1
0
1
1
Treble Center-frequency
10.0 kHz
12.5 kHz
15.0 kHz
17.5 kHz
Bass DC-Mode
0
On
1
Off
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