STEVAL-CCA028V1 STMICROELECTRONICS [STMicroelectronics], STEVAL-CCA028V1 Datasheet - Page 2

• Manufacturer Part Number: STEVAL-CCA028V1
• Description: 10 W + 10 W class-D audio amplifier demonstration boardbased on the TDA7491P
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Schematic
1
Figure 1.
2/4
J1
3V3
1
2
3
4
OUT
1
L4931CZ33
100nF
2 GND
C8
Input
Schematic
Circuit schematic
C11 470nF
C12 470nF
1
3
1
3
IN
3
C1 470nF
C2 470nF
39K
SYNCLK
R3
2
2
100nF
9.1k
R13
C5
R4 33k
R2
VDDS
22R
R7
VCC
R1 100k
100nF
C6
+
+
100nF
1nF
1nF
2.2uF
C3
C4
C10
C13
1nF
C14
1nF
C15
16V
2.2uF
16V
C7
35 SVCC
22 INPA
23 INNA
27 SGND
26 VDDS
30 GAIN0
32 INPB
33 INNB
28 DIAG
25 SYNCLK
24 ROSC
36 VSS
21 MUTE
18 PGND
31 GAIN1
20 STBY
19 VDDPW
1 SUB_GND
(TDA7491P/LP/HV)
Doc ID 022324 Rev 1
TDA7492P
IC1
OUTNA
OUTNA
PGNDA
PGNDA
OUTNB
OUTNB
OUTPA
OUTPB
OUTPB
PVCCA
PGNDB
PGNDB
OUTPA
PVCCA
PVCCB
PVCCB
VREF
SVR
11
12
13
10
16
17
14
15
9
7
6
8
3
2
5
4
34
29
+
+
100nF
100nF
C17
1uF
16V
C16
1uF
16V
C25
C19
10uF 16V
330pF
330pF
OPTION
22R
22R
16 ohm
C27
C21
4 ohm
6 ohm
8 ohm
R6
R5
C30
Load
L1
L4
L3
L2
LC FILTER COMPONENT
C31
+
C32
+
STEVAL-CCA028V1
+
L1,L2,L3,L4
C33
15 uH
22 uH
33 uH
68 uH
+
100nF
100nF
100nF
100nF
C28
C24
C18
C22
470uF
25V
C23
+
C20,C26
220 nF
470 nF
220 nF
220 nF
J4
1
2
1
1
2
J2
2
J3