TDA7490L_05 Datasheet, PDF (3/11 Pages) STMicroelectronics – 20W + 20W STEREO CLASS-D AMPLIFIER 40W MONO IN BTL

Figure 4. Application in Supply Voltage
TDA7490L
R1
1
2
10K
Mute
R2
Stby
30k
C26
470pF
R21
1
2
4.7K
R3
10k
C27
R20
1 uF
68K
U1
1
2
10
IN 1
IN 1
C1 _330nF
C2
1nF
C3 100nF
C4 100nF
C7
1
1
IN 2
330nF
C5
12
+5V REG
13
SGND
2 100nF
2
1nF
C6
16
-5V REG
1
-VS
25
10V REG
18
IN 2
2
1
C8
470pF
+VS
470pF
C25
52.3K
1
R17
2
100nF
C22
1
2
+Vs
+Vs
* R22
1K
*C21
2200uF
R4
130K
TDA7490L
470pF
C9
12
100uF
C11
100
R15
33nF
1K
* ^R23
5
BOOT1
C20
C19
560pF
L1 ^30uF
3
OUT1
11
1
T1
1
8
OSC
15
T2
23
OUT2
C16
1
1
21
BOOT2
C14
33nF
1
2
2 ^{330pF C18}
2 R14
22K
C10
220nF
1
C17 24pF
R13
330pF
10K
2
2 R1222K
1
2
C15
560pF
30uH
L2
C29
220nF
R11
100
1
2
2
1
2
2200uF
C12
*
OUT 1
EXT_CK
OUT 2
+Vs
* ^{New component}
R5
4.7K
R6
68K
R9
2
1
52.3K
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