TDA1557Q Datasheet, PDF (8/10 Pages) NXP Semiconductors – 2 x 22 W BTL stereo car radio power amplifier with speaker protection

Philips Semiconductors
2 x 22 W BTL stereo car radio power
amplifier with speaker protection
Product specification
TDA1557Q
handbook, full pagewidth
input 1
270 nF ₁
mute /
stand-by
11
3
100 nF
10
4
+V
2200 µF
30 kΩ
ground (signal)
2
R _L= 4 Ω
6
12
input 2
270 nF ₁₃
reference
voltage
9
30 kΩ
R _L= 4 Ω
7
TDA1557Q
5
8
MCD323 - 1
power ground (substrate)
Fig.4 Stereo BTL application.
May 1992
8