D-class power amplifier
R2A15120FA
PRELI
MINAR
Y
some
param
etric lim
its are
subjec
t to ch
ange.
CONFIDENTIAL
4
.
Internal Block Diagram figure
PWM
G
en.
PWM
G
en.
Cont
ro
l
logi
c
OSC
O
v
er cu
rr
en
t
pr
ot
ec
ti
o
n
Und
e
r
Vol
tag
e
pr
ot
ec
ti
o
n
PWM
G
en.
PWM
G
en.
39
41
40
42
44
45
43
46
3
7
5
6
4
9
8
10
1
2
11 12
20
18
19
17
15
14
16
13
24
22
23
21
34
30
32 31
33
28
29
27
36 35
26 25
47
48
38
37
VDB1
OUTA1
HBA1
HBB1
OUTB1
VDA1
OUTB1
OUTA1
VDB1
VDA1
VSA1
INB1
INB2
AV
C
C
GND
MUTEL
ST
B
YL
PROT
VSA2
VREF
OUTB2
VDB2
OUTA2
HBA2
VDA2
HBB2
OUTB2
NC
NC
VDA2
OUTA2
VDB2
RREF
DVDD
RLMT
CL
K
GAIN1
GAIN2
ROSC
VSB1
TE
ST1
TE
ST2
VSB2
INA1
INA2
NC
NC
VD
Ga
in
Ga
in
5V Reg
.
A
V
CC/
2
Ove
r
tem
p
er
at
u
re
pr
ot
ec
ti
o
n
10V Reg
.
Page 28 of 152
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Страница 26: ...BLOCK DIAGRAM DVD System Block Diagram Page 10 of 152 ...
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