TDA7402 STMicroelectronics, TDA7402 Datasheet - Page 24

• Manufacturer Part Number: TDA7402
• Description: IC PROCESSOR CAR SIGNAL 44-LQFP
• Manufacturer: STMicroelectronics
• Type: Car Signal Processorr

Specifications of TDA7402

• Applications: Automotive Systems
• Mounting Type: Surface Mount
• Package / Case: 44-LQFP
• Case: QFP
• Dc: 05+
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Audioprocessor part
3.9
3.10
24/69
Subwoofer application
Figure 15. Subwoofer application with LPF 80/120/160Hz and HPF 90/135/180Hz
Both filters, the lowpass and the highpass-filter, have butterworth characteristics so that their
cut off frequencies are not equal, but shifted by the factor 1.125 to get a flat frequency
response.
Voice band application
Figure 16. Voiceband application with HPF 300/450/600/750Hz and LPF 3k/6kHz
dB
dB
-10.0
-20.0
-30.0
-40.0
-50.0
-10.0
-20.0
-30.0
-40.0
-50.0
0.0
0.0
10.0
10.0
100.0
100.0
Hz
Hz
1.0K
1.0K
10.0K
10.0K
TDA7402