Philips TDA8920B Product Data Sheet page 21

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