TDA7409 ST Microelectronics, TDA7409 Datasheet - Page 18

• Manufacturer Part Number: TDA7409
• Description: CARRADIO-SIGNAL-PROCESSOR
• Manufacturer: ST Microelectronics

TDA7409
2.5.3 Volume
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
2.5.4 Treble Programming
18/25
MSB
MSB
D
D
0
X
X
X
X
7
7
software to the maximum value, which is needed for the system.
D
D
0
0
0
0
0
0
0
0
1
1
1
0
0
1
1
6
6
D
D
0
0
0
0
0
1
1
1
1
1
1
0
1
0
1
5
5
D
D
0
0
0
0
1
0
0
0
0
0
1
0
1
4
4
D
D
0
0
0
0
1
0
0
0
1
1
X
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
3
3
D
D
X
0
0
0
0
1
0
0
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
2
2
D
D
X
0
0
1
1
1
0
0
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
1
LSB
LSB
D
D
X
0
1
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
Gain/Attenuation
+30.0dB
+29.0dB
:
+1.0dB
- 1.0dB
- 2.0dB
:
-78.0dB
-79.0dB
Mute
Must BE “0”
Treble Steps
15dB
14dB
13dB
12dB
11dB
10dB
Mode
Treble Center Frequency
10KHz
12.5KHz
15KHz
17.5KHz
not allow
not allow
Cut
Boost
0.0dB
9dB
8dB
7dB
6dB
5dB
4dB
3dB
2dB
1dB
0dB
BASS & TREBLE PROGRAMMING
ATTENUATION