TDA7442 STMicroelectronics, TDA7442 Datasheet - Page 2
![IC PROCESSOR TONE/SURRND 32-SDIP](/photos/7/4/70414/497-32-sdip_series_sml.jpg)
TDA7442
Manufacturer Part Number
TDA7442
Description
IC PROCESSOR TONE/SURRND 32-SDIP
Manufacturer
STMicroelectronics
Type
Audio Processorr
Datasheet
1.TDA7442D013TR.pdf
(17 pages)
Specifications of TDA7442
Applications
TV, HI-FI Systems
Mounting Type
Through Hole
Package / Case
32-SDIP (0.400", 10.16mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-8867-5
TDA7442
TDA7442
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TDA7442
Manufacturer:
SIPEX
Quantity:
3 758
Part Number:
TDA7442
Manufacturer:
ST
Quantity:
20 000
Part Number:
TDA7442D
Manufacturer:
ST
Quantity:
20 000
TDA7442 - TDA7442D
Figure 3. Block Diagram (TDA7442)
Figure 4. Block Diagram (TDA7442D)
2/17
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