TDA7460N
Bass & Treble Attenuation
MSB
D7
D6
D5
D4
D3
0
0
:
0
0
1
1
:
1
1
0
0
:
0
0
1
1
:
1
1
0
0
:
1
1
1
1
:
0
0
0
0
:
1
1
1
1
:
0
0
0
1
:
0
1
1
0
:
1
0
D2
0
0
:
1
1
1
1
:
0
0
D1
0
0
:
1
1
1
1
:
0
0
LSB
D0
0
1
:
0
1
1
0
:
1
0
BASS & TREBLE ATTENUATION
Treble Steps
-14dB
-12dB
:
-2dB
0dB
0dB
+2dB
:
+12dB
+14dB
Bass Steps
-14dB
-12dB
:
-2dB
0dB
0dB
+2dB
:
+12dB
+14dB
For example 12dB Treble and -8dB Bass give the following DATA BYTE : 0 0 1 1 1 0 0 1.
Bass & Treble Filter Characteristics
MSB
D7
D6
D5
D4
D3
D2
D1
0
0
1
1
0
0
1
1
1
0
1
0
1
1
LSB
D0
0
1
0
1
Treble
Center
Center
Center
Center
BASS & TREBLE FILTER
Frequency = 10 KHz
Frequency = 12.5 KHz
Frequency = 15 KHz
Frequency = 17.5 KHz
1
0
0
1
1
0
1
1
1
0
1
0
1
Bass
Center Frequency = 60 Hz
Center Frequency = 70 Hz
Center Frequency = 80 Hz
Center Frequency = 100Hz
Center Frequency = 150Hz
Quality factor = 1
Quality factor = 1.25
Quality factor = 1.5
Quality factor = 2
DC-Gain = 0dB
DC-Gain =
鹵
4.4dB
must be 鈥?鈥?/div>
For example Treble center frequency = 15kHz, Bass center frequency = 100Hz, Bass Q = 1 and DC = 0dB give the following DATA BYTE: 1
0 0 0 11 10
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