TDA7402_07 STMICROELECTRONICS [STMicroelectronics], TDA7402_07 Datasheet - Page 20

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

Audioprocessor part
4.3.3
4.3.4
4.3.5
20/71
Peak frequency
Figure 5
Figure 5.
Loudness order
Different shapes of 1st and 2nd-order loudness
Figure 6.
Flat mode
In flat mode the loudness stage works as a 0dB to -19dB attenuator.
dB
dB
-10.0
-15.0
-20.0
-5.0
0.0
-10.0
-15.0
-20.0
10.0
-5.0
0.0
10.0
shows the four possible peak-frequencies at 200, 400, 600 and 800Hz
Loudness center frequencies @ Attn. = 15dB.
1st and 2nd order loudness @ Attn. = 15dB, f
100.0
100.0
Hz
Hz
1.0K
1.0K
P
=400Hz
10.0K
10.0K
TDA7402