TDA8920B Datasheet, PDF (21/34 Pages) NXP Semiconductors – 2 X 100 W class-D power amplifier

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CON1
+25 V ^VDD
1
GND 2
3
−25 V V_SS
C1
100 nF
L1 BEAD
C2
47 µF/35 V
C7
100 nF
C5
47 µF/35 V
L2 BEAD
R2
10 Ω
V_DDA
V_DDP
C3
470 µF/35 V
C6
470 µF/35 V
R5
10 Ω
V_SSP
V_SSA
V_DDP
R1
5.6 kΩ
R3
DZ1
5V6
S1
5.6 kΩ
S2
R4
5.6 kΩ
C4
100 µF/10 V
ON/OFF OPERATE/MUTE
V_SSA
V_DDP
V_SSP
C8
C17
IN1 ^{1 nF}
C23
1 nF
C25
1 nF
IN2
C30
1 nF
R8
5.6 kΩ
R10
5.6 kΩ
R11
5.6 kΩ
R12
5.6 kΩ
V_DDA
FB GND ^C12
100 nF
C18
IN1P ¹⁰
8
470 nF _C19
C20 ^{220 pF}
IN1M
9
470 nF
SGND1 ₁₁
FB GND
SGND2 ₂
C26
IN2P
5
470 nF _C28
C29 ^{220 pF}
IN2M
4
470 nF
3
FB GND ^C34
100 nF
V_SSA
C9
100 nF
C13 _{FB GND}
100 nF
12
R6
30 kΩ
7
6
U1
TDA8920BTH
1
13
19 24 18
C35 _{FB GND}
100 nF
C33
220 pF
C36
100 nF
47 µF/
63 V
C14
C15
C16
V_DDP
V_SSP
SINGLE ENDED
OUTPUT FILTER VALUES
LS1/LS2 L3/L4 C22/C31
100 nF
100 nF
100 nF
C10
220 pF
14
17
OUT1
16
BOOT1 ^C21
15
15 nF
BOOT2 ^C27
22
15 nF
OUT2
21
23
20
C40
220 pF
C37
C38
C39
C11
220 pF
R7
10 Ω
L3
2 Ω 10 µH 1 µF
4 Ω 22 µH 680 nF
6 Ω 33 µH 470 nF
8 Ω 47 µH 330 nF
OUT1P
LS1
R9
OUT1M
22 Ω
C22
C24
100
FB
nF
GND
L4
R13
10 Ω
C31
C41
220 pF
FB
GND
OUT2M
LS2
R14
22 Ω
OUT2P
C32
100
nF
100 nF 100 nF 100 nF
001aab224
V_DDA V_SSA
V_SSA
V_SSP
V_DDP
V_SSP
V_DDP
V_SSP
Fig 9. TDA8920BTH application schematic.