TDA7402 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TDA7402' PDF : 69 Pages View PDF
TDA7402
Audioprocessor part
3.4.3
Peak frequency
Figure 5 shows the four possible peak-frequencies at 200, 400, 600 and 800Hz
Figure 5. Loudness center frequencies @ Attn. = 15dB.
0.0
-5.0
dB
) -10.0
uct(s -15.0
uct(s) - Obsolete Prod 3.4.4
-20.0
10.0
100.0
1.0K
Hz
10.0K
Loudness order
Different shapes of 1st and 2nd-order loudness
Figure 6. 1st and 2nd order loudness @ Attn. = 15dB, fP=400Hz
0.0
Prod -5.0
letedB
Obso -10.0
-15.0
-20.0
10.0
100.0
Hz
1.0K
10.0K
3.4.5
Flat mode
In flat mode the loudness stage works as a 0dB to -19dB attenuator.
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