TDA7405 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TDA7405' PDF : 57 Pages View PDF
TDA7405
5.7.2 Center Frequency
Figure 12 shows the eight possible center frequencies 60, 70, 80, 90, 100, 130, 150 and 200Hz.
Figure 12. Bass center Frequencies @ Gain = 14dB, Q = 1
15.0
12.5
10.0
7.5
dB
5.0
2.5
0.0
10.0
100.0
Hz
1.0K
10.0K
5.7.3 Quality Factors
Figure 13 shows the four possible quality factors 1, 1.25, 1.5 and 2.
Figure 13. Bass Quality factors @ Gain = 14dB, fC = 80Hz
15.0
12.5
10.0
7.5
5.0
2.5
0.0
10.0
100.0
1.0K
10.0K
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