TDA7412 datasheet(19/56 Pages) STMICROELECTRONICS

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TDA7412

1.10 Voice-Band Application

Figure 14. VoiceBand Application with HPF 300/450/600/750Hz and LPF 3k/6kHz

1.11 Output Selector

The output-selector allows to connect the main- or the second-source to the Front-, Rear and Subwoofer speak-

er-attenuator, respectively. As an example of this programming the device is able to connect via software the

main-source to the back (rear) and the second-source to the front (see Figure 17). In addition to this stage allows

to setup different applications by IIC-Bus programming. In figure 18 to 20 three examples are given.

Figure 15. Output Selector

-50.0

-40.0

-30.0

-20.0

-10.0

0.0

10.0

100.0

1.0K

10.0K

VOICE BAND

BANDPASS

LOWPASS

MS MONO

MAIN SOURCE

RIGHT CHANNEL

MAIN SOURCE

SPEAKER FRONT

SWIN

ACINR

ACINF

OFF/ON

ACOUT

SPEAKER REAR

SPEAKER SUBWOOFER

D00AU1155

LEFT CHANNEL

SECOND SOURCE

25K

50K

25K

SEC.S MONO

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