TDA7402 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TDA7402' PDF : 69 Pages View PDF
Audioprocessor part
TDA7402
● Speaker
– 4 independent speaker controls in 1dB steps
– control range 95dB
– separate Mute
● Subwoofer
– single ended stereo output
– independent stereo level controls in 1dB steps
– control range 95dB
– separate Mute
● Mute Functions
– direct mute
) – digitally controlled Soft Mute with 4 programmable mute-times
t(s ● Pause Detector
c – programmable threshold
3.2 Input stages te Produ In the basic configuration two full differential, two mono differential, one single ended stereo
le and one single ended mono input are available. In addition a dedicated input for the stereo
o decoder MPX signal is present.
bs Figure 3. Input-stages
) - O SE2
FD1-
t(s STEREO
100K
uc FD1+
100K
rodSE3
FD2-
P STEREO
100K
lete FD2+
100K
o SE4
s MD1G
Ob MONO
100K
15K 15K
1
-
+
1
15K 15K
15K 15K
1
-
+
1
15K 15K
28K
28K
-
+
MAIN SOURCE
SE3
SELECTOR
FD1/SE2
FD2
MD1/SE4
MUTE
MD2
SE1
100K
AM
FM
IN GAIN
MD2
MD1
FM
BEEP
MIXING
SELECTOR
MUTE
MIXING STAGE
MD1
28K
28K
100K
SE4R
MD2G
MONO
100K
MD2
SE1
STEREO
100K
100K
SE4R
28K
28K
-
+
28K
28K
SECOND SOURCE
SE3
SELECTOR
FD1/SE2
FD2
MD1/SE4
MUTE
MD2
SE1
AM
FM
IN GAIN
AM
MONO
MPX
100K
NOISE BLANKER
+
STEREO DECODER
100K
D00AU1142
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