TDA8920B NXP Semiconductors, TDA8920B Datasheet - Page 21

• Manufacturer Part Number: TDA8920B
• Description: The TDA8920B is a high efficiency class-D audio power amplifier with very lowdissipation
• Manufacturer: NXP Semiconductors

Fig 9. TDA8920BTH application schematic
IN1
IN2
GND
25 V
25 V
1 nF
1 nF
1 nF
1 nF
CON1
C17
C23
C25
C30
V
V
DD
SS
1
2
3
5.6 k
5.6 k
5.6 k
5.6 k
R10
R11
R12
R8
FB GND
470 nF
470 nF
470 nF
470 nF
C18
C20
C26
C29
C7
100 nF
C1
100 nF
220 pF
220 pF
FB GND
FB GND
C19
C28
C2
47 F/35 V
C5
47 F/35 V
SGND1
SGND2
L1 BEAD
L2 BEAD
IN1M
IN2M
IN1P
IN2P
100 nF
100 nF
C12
C34
V
V
DDA
DDA
8
9
11
2
5
4
10
3
12
V
1
V
SSA
SSA
C3
470 F/35 V
C6
470 F/35 V
100 nF
100 nF
10
10
C13
C35
R2
R5
FB GND
FB GND
100 nF
V
V
V
V
DDA
DDP
SSP
SSA
C9
13
V
C33
220 pF
DDP
TDA8920BTH
R1
5.6 k
DZ1
5V6
V
V
SSA
19
SSA
S1
7
ON/OFF
U1
R6
30 k
24
V
5.6 k
18
SSP
R3
OPERATE/MUTE
C36
100 nF
6
S2
100 nF
100 nF
R4
5.6 k
C14
C37
V
V
DDP
DDP
14
23
C4
100 F/10 V
100 nF
100 nF
47 F/
63 V
C15
C38
C8
17
20
V
V
16
15
22
21
SSP
SSP
100 nF
100 nF
C16
C39
OUT1
BOOT1
BOOT2
OUT2
220 pF
220 pF
C10
15 nF
15 nF
C40
C21
C27
V
V
DDP
DDP
220 pF
220 pF
C11
C41
R7
10
R13
10
V
V
SSP
SSP
L3
GND
L4
GND
C22
C31
FB
FB
LS1/LS2
OUTPUT FILTER VALUES
2
4
6
8
SINGLE ENDED
R9
22
R14
22
C24
100
nF
C32
100
nF
10 H
22 H
33 H
47 H
L3/L4
001aab224
OUT1P
OUT1M
OUT2M
OUT2P
C22/C31
680 nF
470 nF
330 nF
1 F
LS1
LS2