Philips TDA7056A 用户手册
July 1994
3
Philips Semiconductors
Product specificiation
3 W BTL mono audio output amplifier with
DC volume control
DC volume control
TDA7056A
Fig.1 Block diagram.
handbook, full pagewidth
positive input
7
MGA072 - 1
2
3
TDA7056A
VP
5
6
I + 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.
VP
OUT
−
GND2
OUT
+
GND1
VC
n.c.