Philips TDA7057AQ Manual De Usuario
![Philips](https://files.manualsbrain.com/attachments/80de5467260b5059767c26fa7238b8f78bd7bc77/common/fit/150/50/0ca3a4fc6a2509197ba66802c76c9b64194b944a2b6a8471ad8854af95c2/brand_logo.png)
1998 Apr 07
5
Philips Semiconductors
Product specification
2
×
8 W stereo BTL audio output amplifier
with DC volume control
TDA7057AQ
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
In accordance with the Absolute Maximum Rating System (IEC 134).
THERMAL CHARACTERISTICS
Power dissipation
Assume V
P
= 12 V and R
L
= 16
Ω
. The maximum sine wave dissipation is 2
×
1.8 W = 3.6 W.
At T
amb(max)
= 60
°
C:
R
th tot
= (150
−
60)/3.6 = 25 K/W.
R
th tot
= R
th j-c
+ R
th c-hs
+ R
th hs
.
R
th c-hs
+ R
th hs
= 25
−
4 = 21 K/W.
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
V
P
supply voltage
−
18
V
I
ORM
repetitive peak output current
−
1.25
A
I
OSM
non-repetitive peak output current
−
1.5
A
P
tot
total power dissipation
T
case
< 60
°
C
−
22.5
W
T
amb
operating ambient temperature
−
40
+85
°
C
T
stg
storage temperature
−
55
+150
°
C
T
vj
virtual junction temperature
−
150
°
C
t
sc
short-circuit time
−
1
hr
V
n
input voltage pins 1, 3, 5 and 7
−
5
V
SYMBOL
PARAMETER
VALUE
UNIT
R
th j-c
thermal resistance from junction to case
4
K/W
R
th j-a
thermal resistance from junction to ambient in free air
40
K/W