TDA7407 datasheet(24/46 Pages) STMICROELECTRONICS

Teilenummer	TDA7407

Bauteilbeschribung	Advanced car signal processor

PDF	46 Pages

Scroll/Zoom	100%

Hersteller	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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24 / 46 page

Multipath detector

TDA7407

24/46

AC Outputs and the AC Input could be used as additional stereo inputs. The input

impedance of the AC Inputs is always 50K

Ω.

5.1.20

Speaker Attenuator

The speaker attenuators have exactely the same structure and range like the volume stage.

Figure 9.

Bass control @ fc = 80Hz, Q = 1

Figure 10.

Bass center @ Gain = 14dB, Q =1

-15.0

-10.0

-5.0

0.0

5.0

10.0

15.0

10.0

100.0

1.0K

10.0K

0.0

2.5

5.0

7.5

10.0

12.5

15.0

10.0

100.0

1.0K

10.0K

Figure 11.

Bass quality factors @ Gain =14dB,

fc = 80Hz

Figure 12.

Bass normal and DC mode @ Gain

= 14dB, fc = 80Hz

0.0

2.5

5.0

7.5

10.0

12.5

15.0

10.0

100.0

1.0K

10.0K

0.0

2.5

5.0

7.5

10.0

12.5

15.0

10.0

100.0

1.0K

10.0K

Note: In general the center frequency, Q and DC-mode can be set

independently. The exception from this rule is the mode (5/xx1111xx)

where the center frequency is set to 150Hz instead of 100Hz.

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