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PDF TDA7381 Data sheet ( Hoja de datos )
| Número de pieza | TDA7381 | |
| Descripción | 4 x 25W QUAD BRIDGE CAR RADIO AMPLIFIER | |
| Fabricantes | ST Microelectronics | |
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® TDA7381
4 x 25W QUAD BRIDGE CAR RADIO AMPLIFIER
PRELIMINARY DATA
HIGH OUTPUT POWER CAPABILITY:
4 x 30W/4Ω MAX.
4 x 25W/4Ω EIAJ
4 x 18W/4Ω @ 14.4V, 1KHz, 10%
4 x 15W/4Ω @ 13.2V, 1KHz, 10%
CLIPPING DETECTOR
LOW DISTORTION
LOW OUTPUT NOISE
ST-BY FUNCTION
MUTE FUNCTION
AUTOMUTE AT MIN. SUPPLY VOLTAGE DE-
TECTION
DIAGNOSTICS FACILITY FOR:
– CLIPPING
– OUT TO GND SHORT
– OUT TO VS SHORT
– THERMAL SHUTDOWN
LOW EXTERNAL COMPONENT COUNT:
– INTERNALLY FIXED GAIN (26dB)
– NO EXTERNAL COMPENSATION
– NO BOOTSTRAP CAPACITORS
Protections:
OUTPUT SHORT CIRCUIT TO GND, TO VS,
Flexiwatt25
ACROSS THE LOAD
VERY INDUCTIVE LOADS
OVERRATING CHIP TEMPERATURE WITH
SOFT THERMAL LIMITER
LOAD DUMP VOLTAGE
FORTUITOUS OPEN GND
REVERSED BATTERY
ESD PROTECTION
DESCRIPTION
The TDA7381 is a new technology class AB
Audio Power Amplifier in Flexiwatt 25 package
designed for car radio applications.
BLOCK AND APPLICATION DIAGRAM
ST-BY
MUTE
IN1
0.1µF
Vcc1
IN2
0.1µF
IN3
0.1µF
IN4
0.1µF
AC-GND
0.1µF
SVR
47µF
Vcc2
TAB S-GND
2.200µF
100nF
DIAGN. OUT
OUT1+
OUT1-
PW-GND
OUT2+
OUT2-
PW-GND
OUT3+
OUT3-
PW-GND
OUT4+
OUT4-
PW-GND
D93AU002C
October 1999
This is preliminary information on a new product now in development. Details are subject to change without notice.
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1 page  
Figure 2: P.C.B. and component layout of the figure 1 (1:1 scale)
COMPONENTS &
TOP COPPER LAYER
TDA7381
TDA7381
BOTTOM COPPER LAYER
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| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet TDA7381.PDF ] | |
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