Philips Semiconductors
Product specification
2 × 8 W stereo BTL audio output amplifier
with DC volume control
TDA7057AQ
handbook, full pagewidth
V
= 12 V
P
(1)
220 µF
100 nF
4
TDA7057AQ
13
+
470 nF
I + i
I − i
3
1
input 1
(2)
R
= 5 kΩ
s
11
−
−
TEMPERATURE
MCL
PROTECTION
STABILIZER
10
8
470 nF
I − i
I + i
5
7
input 2
(2)
DC-
volume
+
R
= 5 kΩ
s
6
9
12
signal
ground
power
ground
V
= 12 V
P
100 kΩ
volume
control
volume
control
1, 7
1, 7
maximum voltage
gain 34 dB
maximum voltage
gain 40 dB
1 µF
1 MΩ
1 µF
22 kΩ
MBG679
(1) This capacitor can be omitted if the 220 µF electrolytic capacitor is connected close to pin 5.
(2) RL = 16 Ω.
Fig.13 Test and application diagram.
1998 Apr 07
10
ETC [ ETC ]
