TDA7402_00 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TDA7402_00

CAR RADIO SIGNAL PROCESSOR

STMicroelectronics 

1.4 Loudness

There are four parameters programmable in the loudness stage:

1.4.1 Attenuation

Figure 2 shows the attenuation as a function of frequency at fP = 400Hz

Figure 2. Loudness Attenuation @ fP = 400Hz.

0.0

TDA7402

-5.0

-10.0

dB

-15.0

-20.0

-25.0

10.0

100.0

1.0K

Hz

10.0K

1.4.2 Peak Frequency

Figure 3 shows the four possible peak-frequencies at 200, 400, 600 and 800HzFigure 3: Loudness Center fre-

quencies @ Attn. = 15dB

Figure 3. Loudness Center frequencies @ Attn. = 15dB.

0.0

-5.0

dB

-10.0

-15.0

-20.0

10.0

100.0

1.0K

Hz

10.0K

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