TDA7402_07 STMICROELECTRONICS [STMicroelectronics], TDA7402_07 Datasheet - Page 22

• Manufacturer Part Number: TDA7402_07
• Description: Car radio signal processor
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Audioprocessor part
Note:
4.6
4.6.1
4.6.2
22/71
For steps more than 0.5dB the SoftStep mode should be deactivated because it could
generate a hard 1dB step during the blend time.
Bass
There are four parameters programmable in the bass stage:
Attenuation
Figure 9
Figure 9.
Center frequency
Figure 10
200Hz.
Figure 10. Bass center frequencies @ gain = 14dB, Q = 1
shows the attenuation as a function of frequency at a center frequency of 80Hz.
dB
dB
shows the eight possible center frequencies 60, 70, 80, 90, 100, 130, 150 and
-10.0
-15.0
15.0
10.0
15.0
12.5
10.0
-5.0
7.5
5.0
2.5
0.0
5.0
0.0
10.0
Bass control @ f
10.0
C
= 80Hz, Q = 1
100.0
100.0
Hz
Hz
1.0K
1.0K
10.0K
10.0K
TDA7402