TDA7410ND Datasheet, PDF (12/34 Pages) STMicroelectronics – Signal processor for car radio applications

Description of the audioprocessor part
TDA7410ND
5.3
Softstep Volume
When volume level is changed often an audible click appears at the output. The root cause
of those clicks could be either a DC offset before the volume stage or the sudden change of
the envelope of the audio signal. With the Softstep feature both kinds of clicks could be
reduced to a minimum and are no more audible (see Figure 4).
Figure 4. Soft Step Timing
VOUT
2dB
1dB
-1dB
-2dB
10ms
Time
D97AU635
5.4
Bass
The attenuation is programmable in the bass stage (see Figure 5):
Figure 5. Bass control
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