Datasheet

Schematic STEVAL-CCA028V1
2/4 Doc ID 022324 Rev 1
1 Schematic
Figure 1. Circuit schematic
,1/
,1/
,15
,15
9&&
*1'
287/
287/
2875
2875
7'$3
LC FILTER COMPONENT
Load
L1,L2,L3,L4
C20,C26
4 ohm
6 ohm
8 ohm
15 uH
22 uH
33 uH
220 nF
220 nF
470 nF
087(
67%<
932:(56833/<
)RU6LQJOH(QGHG
)RU6LQJOH(QGHG,QSXW






Input
SYNCLK
VDDS
VCC
3V3
16 ohm 68 uH
220 nF
&/$66'$03/,),(5
(TDA7491P/LP/HV)
OPTION
+
C23
470uF
25V
C5
100nF
R3
39K
L4
C1
470nF
C2
470nF
C11
470nF
C12
470nF
C8
100nF
C25
100nF
C19
100nF
C27
330pF
R6
22R
L3
C28
100nF
C24
100nF
L1
C21
330pF
R5
22R
L2
C18
100nF
C22
100nF
C3
1nF
C4
1nF
C13
1nF
C14
1nF
32
INPB
36
VSS
9
OUTNB
5
PGNDB
7
PVCCB
3
OUTPB
10
OUTNA
12
PVCCA
14
PGNDA
16
OUTPA
33
INNB
8
OUTNB
4
PGNDB
21
MUTE
6
PVCCB
2
OUTPB
29
SVR
11
OUTNA
1
SUB_GND
22
INPA
23
INNA
27
SGND
26
VDDS
28
DIAG
19
VDDPW
18
PGND
20
STBY
24
ROSC
31
GAIN1
35
SVCC
30
GAIN0
25
SYNCLK
17
OUTPA
15
PGNDA
34
VREF
13
PVCCA
IC1
TDA7492P
R1
100k
R7
22R
C6
100nF
R4
33k
R2
N
5
N
&
Q)
C10
100nF
&
Q)
-
-
2
1
3
6
2
1
3
6
&
Q)
&
X)
2
GND
1
OUT
3
IN
,&
L4931CZ33
+
C15
2.2uF
16V
1
2
J4
1
2
J3
1
2
J2
-
-
1
3
2
4
J1
+
C7
2.2uF
16V
+
C16
1uF
16V
+
C17
1uF
16V
R13
9.1k
+
C30
10uF 16V
+
C31
+
C32
+
C33