TDA7402_07 STMICROELECTRONICS [STMicroelectronics], TDA7402_07 Datasheet - Page 28
TDA7402_07
Manufacturer Part Number
TDA7402_07
Description
Car radio signal processor
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.TDA7402_07.pdf
(71 pages)
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Audioprocessor part
4.11
4.12
28/71
AC coupling
In some applications additional signal manipulations are desired, for example surround
sound or more band equalizing. For this purpose an AC coupling is placed before the
speaker attenuators, which can be activated or internally shorted by the I
condition the input signal of the speaker attenuator is available at the AC outputs. The input
impedance of this AC Inputs is 50kΩ.
Output selector
The output-selector allows to connect the main- or the second-source to the front, rear and
subwoofer speaker 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
I
Figure 19. Output selector
2
C bus programming. Three examples are given in
SECOND SOURCE
SECOND SOURCE
RIGHT CHANNEL
LEFT CHANNEL
LEFT CHANNEL
MAIN SOURCE
MAIN SOURCE
Figure
25K
25K
25K
25K
17). In addition to this stage allows to setup different applications by
VOICE BAND
BANDPASS
SEC.S MONO
MS MONO
ACOUT
50K
ACINF
OFF/ON FC
LOWPASS
50K
ACINR
50K
SWIN
Figure
18, 19, and 20.
D00AU1155
SPEAKER FRONT
SPEAKER REAR
SPEAKER SUBWOOFER
2
C bus. In short
TDA7402
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