TDA7442D STMicroelectronics, TDA7442D Datasheet - Page 2

• Manufacturer Part Number: TDA7442D
• Description: IC PROCESSOR TONE/SURRND 28-SOIC
• Manufacturer: STMicroelectronics
• Type: Audio Processorr

Specifications of TDA7442D

• Applications: TV, HI-FI Systems
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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