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2002 Mar 05 7
Philips Semiconductors Product specification
4 × 40 W BTL quad car radio power
amplifier
TDA8571J
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134).
THERMAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
V
P
supply voltage operating − 18 V
non-operating − 30 V
load dump protection;
during 50 ms; t
r
≥ 2.5 ms
− 45 V
V
sc(safe)
short-circuit safe voltage − 18 V
V
rp
reverse polarity voltage − 6V
I
OSM
non-repetitive peak output current − 10 A
I
ORM
repetitive peak output current − 7.5 A
P
tot
total power dissipation − 60 W
T
stg
storage temperature −55 +150 °C
T
amb
ambient temperature −40 +85 °C
T
vj
virtual junction temperature − 150 °C
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 Fig.6) 1 K/W
handbook, halfpage
3.2 K/W
0.2 K/W
3.2 K/W
3.2 K/W
3.2 K/W
virtual junction
OUT1 OUT2 OUT3 OUT4
case
MGG157
Fig.6 Equivalent thermal resistance network.