TDA7404D Datasheet, PDF (19/26 Pages) STMicroelectronics – CARRADIO-SIGNAL-PROCESSOR

TDA7404D
2.5.3 Volume
MSB
LSB
D₇
D₆
D₅
D₄
D₃
D₂
D₁
D₀
ATTENUATION
Gain/Attenuation
0
0
0
0
0
0
0 not allow
0
0
0
0
0
0
1 not allow
0
0
0
0
0
1
0 +30.0dB
0
0
0
0
0
1
1 +29.0dB
:
0
0
1
1
1
1
1 +1.0dB
0
1
0
0
0
0
0
0.0dB
0
1
0
0
0
0
1 - 1.0dB
0
1
0
0
0
1
0 - 2.0dB
1:
1
1
0
1
1
1
0 -78.0dB
1
1
0
1
1
1
1 -79.0dB
1
1
1
X
X
X
X Mute
Diffin - mode
0
Single ended stereo
1
Differential Stereo
Note 2: 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.
2.5.4 Treble Programming
MSB
LSB
BASS & TREBLE PROGRAMMING
D₇
D₆
D₅
D₄
D₃
D₂
D₁
D₀
Treble Steps
0
0
0
0 15dB
0
0
0
1 14dB
0
0
1
0 13dB
0
0
1
1 12dB
0
1
0
0 11dB
0
1
0
1 10dB
0
1
1
0
9dB
0
1
1
1
8dB
1
0
0
0
7dB
1
0
0
1
6dB
1
0
1
0
5dB
1
0
1
1
4dB
1
1
0
0
3dB
1
1
0
1
2dB
1
1
1
0
1dB
1
1
1
1
0dB
Mode
0
Cut
1
Boost
X
0
0
X
0
1
X
1
0
X
1
1
Treble Center Frequency
10KHz
12.5KHz
15KHz
17.5KHz
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