Philips TDA7057AQ - Manual (Page 10)

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