Philips Semiconductors
Product specification
2 x 22 W BTL stereo car radio power
amplifier with speaker protection
TDA1557Q
LIMITING VALUES
In accordance with the Absolute maximum System (IEC 134).
SYMBOL
VP
PARAMETER
positive supply voltage
CONDITIONS
MIN.
MAX.
UNIT
operating
−
−
−
18
V
non-operating
30
45
V
V
load dump protected; during
50 ms; rise time ≥ 2.5 ms
VPSC
VPR
AC and DC short-circuit safe voltage
reverse polarity
−
−
−
−
−
−
18
V
6.0
200
6
V
energy handling capability at outputs
non-repetitive peak output current
repetitive peak output current
total power dissipation
VP = 0
mJ
A
IOSM
IORM
Ptot
4
A
60
W
°C
°C
Tstg
storage temperature range
junction temperature
−55
+150
+150
Tj
−
THERMAL RESISTANCE
SYMBOL
PARAMETER
THERMAL RESISTANCE
40 K/W
Rth vj-a
Rth vj-c
from virtual junction to ambient in free air
from virtual junction to case (see Fig.3)
1.5 K/W
output 1
output 2
handbook, halfpage
virtual
junction
2.8
K/W
2.8
K/W
0.1
K/W
MLA382
case
Fig.3 Equivalent thermal resistance network.
May 1992
5
NXP [ NXP ]
