WIDESUPPLYVOLTAGERANGE
8W @ V
=26V,RL=8Ω, THD=10%
S
MUTE FACILITY (POP FREE) WITH LOW
CONSUMPTION
AC SHORT CIRCUIT PROTECTION
THERMAL OVERLOAD PROTECTION
(150°C)
TDA7253
8W AMPLIFIERWITH MUTING
DESCRIPTION
The TDA7253 is class AB audio power amplifier
assembled in thenew Clipwatt package.
APPLICATIONCIRCUIT
R7 820
=
MUTE
SW
(L)
IN
CSVR
100µF
C2
100nF
3
1
11
TDA7253
7
27K
6
+V
9
S
10
2
8
4
D94AU130
Clipwatt11
C4
0.1µF
CF
47µF R4
R3
1.5K
47
C5
470µF
C11 1000µF
C9
0.1µF
R6
4.7
RL
May 1997
1/5
TDA7253
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
Supply Voltage 35 V
Output Peak Current (repetitive f >20Hz) 2.5 A
Output Peak Current (nonrepetitive, t = 100µs) 3.5 A
Total PowerDissipation (T
=70°C) 25 W
case
Operating Temperature Range 0 to 70
Storage & Junction Temperature -40 to 150 °C
T
V
I
O
I
O
P
T
stg,Tj
S
tot
op
C
°
PIN CONNECTION
Figure 1:
ApplicationCircuit
(Topview)
11
10
9
8
7
6
5
4
3
2
1
N.C.
N.C.
+Vs
OUTPUT
N.C.
GND
NON INVERTING INPUT
INVERTING INPUT
SVR/MUTING
N.C.
N.C.
D93AU037A
2/5