TDA7571 STMicroelectronics, TDA7571 Datasheet - Page 3

• Manufacturer Part Number: TDA7571
• Description: STPDACsw - Fully digital high efficiency power audio amplifier
• Manufacturer: STMicroelectronics

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TDA7571
1
Figure 1.
NTC
R1
SGND
5V DIG
SGND
DGND
MASTER CLOCK
WS WORD SEL
C4
C3
MCLK
SCK CLOCK
THW EXT
SD DATA
R10
D01AU1271A
CD SEL1
CD SEL2
THW INT
C2
ST-BY
DGND
PGND
MUTE
-2.5V
NTC
2.5V
RFS
CD
Block and simplified application diagram
Block and simplified application diagram
F
P/O
46
48
49
50
35
10
29
30
31
37
36
38
56
55
39
54
52
32
41
L/R
34
D1
BRIDGE
43
PROTECTIONS
33
THERMA
D2
CLIP
OSC
REF
I2S
44
L
5V dig
t1
C1
45
5V
t2
40
47
Feed Lin
PROCESSING
PROCESSING
SGND
DIGITAL
DIGITAL
SIGNAL
SIGNAL
R9
RIGHT
LEFT
28
53
Feed Rin
+Vs-Vref1
R8
R2
57
INTERFACE
INTERFACE
9
-Vs+Vrefl
R3
C7
25
12
+Vs
CHANNEL RIGHT
CHANNEL RIGHT
Block and simplified application diagram
CHANNEL LEFT
CHANNEL LEFT
PROTECTIONS
PROTECTIONS
PROTECTIONS
PROTECTIONS
26,27,58,59
-Vs
C5
42
HSD+
HSD+
LSD+
LSD+
+Vs-low
60
13
14
18
17
22
21
23
24
15
63
64
62
61
-Vs+Vrefr
6
8
7
4
5
Spl1
Spl2
Gpl
Gpls
Gnls
Gnl
Snl2
Snl1
+Vs-5
-Vs+5
Spr1
Spr2
Gpr
Gprs
Gnrs
Gpr
Snr2
Snr1
R7
R4
M4
M3
M2
M1
R6
R5
LOWPASS
LOWPASS
OUTPUT
OUTPUT
FILTER
FILTER
+25V
-25V
+25V
-25V
RIGHT
LEFT
OUT
OUT
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