TDA7294S_05 Datasheet, PDF (11/16 Pages) STMicroelectronics – 100V - 100W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY

Figure 9. High Efficiency Application Circuit
TDA7294S
+50V
+25V
D6
1N4001
D1 BYW98100
R20
C1
20K 1000µF
63V
C3
100nF
C5
1000µF
35V
GND
R21
C2
20K 1000µF
63V
C4
100nF
C6
1000µF
35V
C7
100nF
R22
10K
C9
330nF
R1
2
R23
10K
C8
100nF
R2
2
C10
330nF
C12 330nF
IN
R12
13K
PLAY
ST-BY
D5
1N4148
C13 10µF
R13 20K
R14 30K
R15 10K
C14
10µF
-25V
-50V
D7
1N4001
D2 BYW98100
T1
BDX53A
T3
BC394
R17 270
R4
270
T4
BC393
R5
270
T5
BC393
L1 1µH
3 ^{7 13}
2
4
14
9
6
1
12
10 ^{8 15}
D3 1N4148
Z1 3.9V
C11 22µF
R3 680
R16 L3 5µH
13K
R6
20K
R7
3.3K
R18 270
C15
22µF
R8
3.3K
Z2 3.9V
C16
1.8nF
OUT
C17
P_ot
1.8nF
L2 1µH
D4 1N4148
R19 270
T2
BDX54A
T6
BC393
T7
BC394
R9
270
T8
BC394
R10 R11
270 20K
D97AU807C
Figure 10. PCB and Component Layout of the fig. 9
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