TDA7492E Datasheet, PDF (15/24 Pages) STMicroelectronics – 79 W + 79 W dual BTL class-D audio amplifier

TDA7492E
Schematic diagram
5
Schematic diagram
Figure 7: Application circuit
C1
1uF
C3
C2
1nF
R6
1uF
C4
22R
1nF
J1
INPUT
3 L-
4 L+
1 R-
2 R+
MONO
INPUT
L+, L- Only
For
Single-Ended
J7 Input
C5
100nF
R7
22R
FREQUENCY SHIFT
R9
Q1 180K
KTC3875(S)
R13
3
C8
47k
1
100nF
R14
2
PS 100k
C6
100nF
R3
39K
INNB
R1
47k
J3
MONO
Config
R10
R11
INNB
100k 100Rk ₁₂
100k
J8
For Single-Ended
Input and
MONO Config
C11
3V3
PS
J4
R19
4.7k
S2 MUTE
1
2
3
S1 STBY
1
2
3
1uF
C12
1uF
R4
33k
R2
750k
OUT IC2 IN
1 ^L4931CZ33 3
C29
2.2uF
2 GND C9
100nF
R8 _VCC
1.2k
J11
J6
J10
J5
INNB
C10
100nF
C13
1nF
C14
1nF
+ ^C15
2.2uF
16V
+ _C7
2.2uF
16V
C25
100nF
C30
1uF
C27
330pF
R5
22R
C19
100nF
C31
1uF
C21
330pF
C17
4.7uF
10V
C16
10uF
10V
TDA7492E CLASS-DAMPLIFIER
L4
22uH
MONO
OUT
L3
22uH
L1
22uH
MONO
OUT
L2
22uH
C28
220nF
C26
*220nF
C24
220nF
C23 ⁺
2200uF
35V
C18
220nF
C20
*220nF
C22
220nF
R15
8R
C40
220nF
C41
220nF
R16
8R
L-OUTPUT
Load=6 ohm
L+ 1
2
L-
J13
MONO
OUTPUT
L+, L- Only
1 _VCC
2 _GND
J2
R17
8R
C42
220nF
C43
220nF
R18
8R
R-OUTPUT
Load=6 ohm
R+ 2
1
R-
J14
DocID027638 Rev 1
15/24