1997 Aug 14
16
Philips Semiconductors
Preliminary specification
2
×
23 W high efficiency car radio power
amplifier
TDA1561Q
ADDITIONAL APPLICATION INFORMATION
Fig.9 Dissipation; sine wave driven.
handbook, halfpage
0
10
Po (W)
25
0
5
10
15
20
2
Pd
(W)
4
6
8
MBH692
(1)
(2)
Input signal 1 kHz, sinusoidal; V
P
= 14.4 V.
(1) For a conventional BTL amplifier.
(2) For TDA1561Q.
Fig.10 Dissipation; pink noise through IEC-268
filter.
handbook, halfpage
0
10
Po (W)
25
0
5
10
15
20
2
Pd
(W)
4
6
8
MBH693
(1)
(2)
(1) For a conventional BTL amplifier.
(2) For TDA1561Q.
Fig.11 IEC-268 filter.
430
Ω
input
output
330
Ω
3.3
k
Ω
3.3
k
Ω
10
k
Ω
91
nF
68
nF
470 nF
2.2
µ
F
2.2
µ
F
MGC428
