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TDA7442 数据表(PDF) 2 Page - STMicroelectronics

部件名 TDA7442
功能描述  TONE CONTROL AND SURROUND DIGITALLY CONTROLLED AUDIO PROCESSOR
PDF  17 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7442 数据表(HTML) 2 Page - STMicroelectronics

  TDA7442 Datasheet HTML 1Page - STMicroelectronics TDA7442 Datasheet HTML 2Page - STMicroelectronics TDA7442 Datasheet HTML 3Page - STMicroelectronics TDA7442 Datasheet HTML 4Page - STMicroelectronics TDA7442 Datasheet HTML 5Page - STMicroelectronics TDA7442 Datasheet HTML 6Page - STMicroelectronics TDA7442 Datasheet HTML 7Page - STMicroelectronics TDA7442 Datasheet HTML 8Page - STMicroelectronics TDA7442 Datasheet HTML 9Page - STMicroelectronics Next Button
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background image
TDA7442 - TDA7442D
2/17
Figure 3. Block Diagram (TDA7442)
Figure 4. Block Diagram (TDA7442D)
L-IN1
5
6
7
8
2
1
32
31
4
1113
1827
2826
22
14
13
29
23
25
24
30
17
16
20
19
310
9
L-R
0.47
µF
SUPPLY
VS
CREF
TREBLE
BASS
BIN(L)
MUTE
D98AU947B
I2C BUS DECODER + LATCHES
SPKR
ATT
TREBLE
BASS
5.6nF
MUTE
SPKR
ATT
SCL
SDA
DIG GND
ROUT
LOUT
22
µF
+
-
+
-
+
R-IN4
0.47
µF
50K
PS1
90Hz
100nF
PS1
RPS1
SYMULATED
MUSIC
MUSIC/
SYMULATED
OFF
MIXING
AMP
LPF
9KHz
EFFECT
CONTROL
MIXING
AMP
1.2nF
LP
TREBLE-R
5.6nF
TREBLE-L
100nF
5.6K
100nF
BOUT(L)
100nF
100nF
5.6K
BIN(R)
BOUT(R)
79dB CONTROL
+
-
79dB CONTROL
50K
0.47
µF
50K
0.47
µF
50K
0.47
µF
50K
0.47
µF
50K
0.47
µF
50K
0.47
µF
50K
31.5dB
control
R-IN3
R-IN2
R-IN1
31.5dB
control
L-IN2
L-IN3
L-IN4
Vref
OFF
SURR
OFF
SURR
RB
FIX
FIX
VAR
RB
FIX
VAR
L+R
30K
30K
2.2
µF
2.2
µF
MUXOUT(R)
MONITOR(L)
MONITOR(R)
MUXOUT(L)
L-IN1
4
5
6
7
3
2
1
28
10
11
16
24
25
23
19
12
13
26
20
22
21
27
15
14
18
17
9
8
L-R
0.47
µF
SUPPLY
VS
CREF
TREBLE
BASS
BIN(L)
MUTE
D01AU1248
I2C BUS DECODER + LATCHES
SPKR
ATT
TREBLE
BASS
5.6nF
MUTE
SPKR
ATT
SCL
SDA
DIG GND
ROUT
LOUT
22
µF
+
-
+
-
+
R-IN4
0.47
µF
50K
PS1
90Hz
100nF
PS1
RPS1
SYMULATED
MUSIC
MUSIC/
SYMULATED
OFF
MIXING
AMP
LPF
9KHz
EFFECT
CONTROL
MIXING
AMP
1.2nF
LP
TREBLE-R
5.6nF
TREBLE-L
100nF
5.6K
100nF
BOUT(L)
100nF
100nF
5.6K
BIN(R)
BOUT(R)
79dB CONTROL
+
-
79dB CONTROL
50K
0.47
µF
50K
0.47
µF
50K
0.47
µF
50K
0.47
µF
50K
0.47
µF
50K
0.47
µF
50K
31.5dB
control
R-IN3
R-IN2
R-IN1
31.5dB
control
L-IN2
L-IN3
L-IN4
Vref
OFF
SURR
OFF
SURR
RB
FIX
FIX
VAR
RB
FIX
VAR
L+R
30K
30K
2.2
µF
2.2
µF
MUXOUT(R)
MUXOUT(L)



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