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July 1994 3
Philips Semiconductors Product specificiation
3 W BTL mono audio output amplifier with
DC volume control
TDA7056A
Fig.1 Block diagram.
handbook, full pagewidth
positive input
7
MGA072 - 1
2
3
TDA7056A
V
P
5
6I + i
8
I – i
TEMPERATURE
PROTECTION
4
signal
ground
DC volume control
1
n.c.
positive output
negative output
power
ground
V
ref
STABILIZER
9
n.c.
PINNING
SYMBOL PIN DESCRIPTION
n.c. 1 not connected
V
P
2 positive supply voltage
V
I
3 voltage input
GND1 4 signal ground
VC 5 DC volume control
OUT+ 6 positive output
GND2 7 power ground
OUT− 8 negative output
n.c. 9 not connected
Fig.2 Pin configuration.
handbook, halfpage
MGA071
1
2
3
4
5
6
7
8
9
I
V
TDA7056A
n.c.
V
P
OUT−
GND2
OUT+
GND1
VC
n.c.