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EN 38
9.
TE3.1E CA
9.4.5
TDA7057A
Block Diagram
Pin Configuration
n.c.
V
l (1)
V
P
V
l (2)
SGND
VC2
OUT2+
PGND2
OUT2−
OUT1−
PGND1
OUT1+
Circuit Description and Abbreviation List
TDA7057AQ
3
input 1
1
DC volume
control 1
V ref
5
input 2
DC volume
7
control 2
2
not
connected
2
not connected
3
voltage input 1
4
positive supply voltage
5
voltage input 2
6
signal ground
7
DC volume control 2
8
positive output 2
9
power ground 2
10
negative output 2
11
negative output 1
12
power ground 1
13
positive output 1
Figure 9-5 Internal block diagram and pin configuration
V
P
4
I
i
Ι
I
i
TEMPERATURE
STABILIZER
PROTECTION
I
i
ΙΙ
I
i
6
12
signal
power
ground
ground 1
VC1
1
n.c.
2
V
3
I (1)
V P
4
V
I (2)
5
6
SGND
VC2
7
OUT2
8
PGND2
9
OUT2
10
OUT1
11
PGND1
12
OUT1
13
13
positive
output 1
11
negative
output 1
10
negative
output 2
8
positive
output 2
9
MSA714
power
ground 2
TDA7057AQ
F_15160_050.eps
MSA716
070705
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