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TDA7492PETR Datasheet(PDF) 12 Page - STMicroelectronics

Part # TDA7492PETR
Description  45 W 45 W dual BTL class-D audio amplifier
PDF  19 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7492PETR Datasheet(HTML) 12 Page - STMicroelectronics

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5
Schematic diagram
Figure 7. Application circuit
Optional components or circuitry
L+
R+
R-
VCC
GND
L+
L-
R+
R-
MUTE
STBY
3V3 POWER SUPPLY
Single-Ended
Input
TDA7492PE CLASS-D AMPLIFIER
Single-Ended
Input
Load=6 ohm
For
L-OUTPUT
INPUT
L-
MONO
OUT
FREQUENCY SHIFT
Load=6 ohm
R-OUTPUT
MONO
OUT
MONO
INPUT
L+, L- Only
For
C5
100nF
C1
1uF
C2
1uF
C11
1uF
C12
1uF
C25
100nF
C19
100nF
C27
330pF
R6
22R
C40
220nF
C41
220nF
C21
330pF
R5
22R
C42
220nF
C43
220nF
C3
1nF
C4
1nF
C13
1nF
C14
1nF
R1
47k
R7
22R
C6
100nF
R4
33k
R2
33k
R8
1.2k
C26
*220nF
C10
100nF
C20
*220nF
J6
2
1
3
S1
2
1
3
S2
C9
100nF
C29
2.2uF
2 GND
1
OUT
3
IN
IC2
L4931CZ33
+ C15
2.2uF
16V
1
2
J2
J8
J7
+ C7
2.2uF
16V
+
C23
2200uF
35V
C17
4.7uF
10V
C16
10uF
10V
J4
C30
1uF
C31
1uF
R15
8R
C28
220nF
R16
8R
C24
220nF
R17
8R
C18
220nF
R18
8R
C22
220nF
2
4
1
3
J1
R10
100k
R11
100k
R12
100k
J11
J5
J10
J3
R3
39K
C8
100nF
R9
180K
1
2
3
Q1
KTC3875(S)
R13
47k
R14
100k
1
2
J14
1
2
J13
R19
4.7k
J12
R20
R21
J9
J15
VCC
VCC
VCC
VCC
3V3
PS
PS
Table 12. BTL configuration
Load impedance
L4, L3, L2, L1
C26, C20
C28, C24, C22,
C18
R15, R16, R17,
R18
C40, C41, C42,
C43
4 Ω
15 µh
1 µF
220 nF
8 Ω
220 nF
6 Ω
22 µh
680 nF
220 nF
8 Ω
220 nF
8 Ω
22 µh
470 nF
220 nF
8 Ω
220 nF
TDA7492PE
Schematic diagram
DS10652 - Rev 3
page 12/19



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