® TDA7384A
4 x 35W QUAD BRIDGE CAR RADIO AMPLIFIER
HIGH OUTPUT POWER CAPABILITY:
4 x 40W/4Ω MAX.
4 x 35W/4Ω EIAJ
4 x 25W/4Ω @ 14.4V, 1KHz, 10%
4 x 22W/4Ω @ 13.2V, 1KHz, 10%
LOW DISTORTION
LOW OUTPUT NOISE
ST-BY FUNCTION
MUTE FUNCTION
AUTOMUTE AT MIN. SUPPLY VOLTAGE DE-
TECTION
LOW EXTERNAL COMPONENT COUNT:
– INTERNALLY FIXED GAIN (26dB)
– NO EXTERNAL COMPENSATION
– NO BOOTSTRAP CAPACITORS
PROTECTIONS:
OUTPUT SHORT CIRCUIT TO GND, TO VS,
ACROSS THE LOAD
VERY INDUCTIVE LOADS
OVERRATING CHIP TEMPERATURE WITH
SOFT THERMAL LIMITER
LOAD DUMP VOLTAGE
BLOCK AND APPLICATION DIAGRAM
FLEXIWATT25
ORDERING NUMBER: TDA7384A
FORTUITOUS OPEN GND
REVERSED BATTERY
ESD
DESCRIPTION
The TDA7384A is a new technology class AB
Audio Power Amplifier in Flexiwatt 25 package
designed for high end car radio applications.
Thanks to the fully complementary PNP/NPN out-
put configuration the TDA7384A allows a rail to
rail output voltage swing with no need of boot-
strap capacitors. The extremely reduced compo-
nents count allows very compact sets.
ST-BY
MUTE
IN1
0.1µF
Vcc1
IN2
0.1µF
IN3
0.1µF
IN4
0.1µF
AC-GND
0.47µF
SVR
47µF
October 1999
Vcc2
TAB S-GND
470µF
N.C.
OUT1+
OUT1-
PW-GND
OUT2+
OUT2-
PW-GND
OUT3+
OUT3-
PW-GND
OUT4+
OUT4-
PW-GND
100nF
D99AU1018
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Figure 2: P.C.B. and component layout of the figure 1 (1:1 scale)
COMPONENTS &
TOP COPPER LAYER
TDA7384A
BOTTOM COPPER LAYER
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