TDA7402 STMicroelectronics, TDA7402 Datasheet - Page 22

• 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
3.7.3
3.7.4
Note:
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Quality factors
Figure 11
Figure 11. Bass quality factors @ Gain = 14dB, f
DC mode
In this mode the DC-gain is increased by 4.4dB. In addition the programmed center
frequency and quality factor is decreased by 25% which can be used to reach alternative
center frequencies or quality factors.
Figure 12. Bass normal and DC Mode @ Gain = 14dB, f
The center frequency, Q and DC-mode can be set fully independently.
15.0
12.5
10.0
15.0
12.5
10.0
7.5
5.0
2.5
0.0
7.5
5.0
2.5
0.0
10.0
shows the four possible quality factors 1, 1.25, 1.5 and 2.
10.0
100.0
100.0
1.0K
1.0K
C
= 80Hz
C
= 80Hz
10.0K
10.0K
TDA7402