TDA7718N Datasheet, PDF (35/40 Pages) STMicroelectronics – 3 band car audio processor

TDA7718N
I²C bus specification
Table 16. Bass filter (11)
MSB
D7
D6
D5
D4
D3
D2
0
0
0
0
0
0
:
:
:
0
1
1
-
-
-
0
1
1
1
1
1
1
1
1
:
:
:
1
0
0
1
0
0
0
0
-
0
1
-
-
-
1
0
1
1
0
-
-
-
-
-
1
Table 17. Subwoofer / middle / bass (12)
MSB
D7
D6
D5
D4
D3
D2
-
-
-
-
-
-
-
-
-
-
-
0
1
0
0
-
-
-
0
1
-
1
0
1
1
0
0
-
0
1
-
-
-
1
0
1
1
0
-
-
-
-
-
1
LSB
D1
D0
Function
Gain/attenuation
0
0 -15 dB
0
1 -14 dB
:
::
1
0 -1 dB
1
1 0 dB
1
1 0 dB
1
0 +1 dB
:
::
0
1 +14 dB
0
0 +15 dB
Bass Q factor
1.0
-
- 1.25
1.5
2.0
Soft step action
-
- Act
Wait
LSB
D1
D0
Function
Subwoofer cut-off frequency
0
0 55 Hz
0
1 85 Hz
1
0 120 Hz
1
1 160 Hz
Subwoofer output phase
-
- 180 deg
0 deg
Middle center frequency
500 Hz
-
- 1000 Hz
1500 Hz
2500 Hz
Bass center frequency
60 Hz
-
- 80 Hz
100 Hz
200 Hz
Bass DC mode
-
- On
Off
Doc ID 16502 Rev 1
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