1999 Jun 30
7
Philips Semiconductors
Product specification
2
×
24 W BTL or 4
×
12 W single-ended
car radio power amplifier
TDA8561Q
THERMAL CHARACTERISTICS
In accordance with IEC 747-1.
SYMBOL
PARAMETER
VALUE
UNIT
R
th j-a
thermal resistance from junction to ambient in free air
40
K/W
R
th j-c
thermal resistance from junction to case (see Figs 6 and 7)
1.3
K/W
Fig.6
Equivalent thermal resistance network;
BTL application.
handbook, halfpage
2.2 K/W
0.2 K/W
2.2 K/W
virtual junction
output 1
output 2
case
MEA861 - 1
Fig.7
Equivalent thermal resistance network;
single-ended application.
handbook, halfpage
3.0 K/W
0.7 K/W
3.0 K/W
virtual junction
output 1
output 2
case
3.0 K/W
0.7 K/W
3.0 K/W
output 3
output 4
MEA860 - 2
0.2 K/W
