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PDF TDA7375A Data sheet ( Hoja de datos )

Número de pieza TDA7375A
Descripción 2 x 37W DUAL/QUAD POWER AMPLIFIER FOR CAR RADIO
Fabricantes ST Microelectronics 
Logotipo ST Microelectronics Logotipo



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No Preview Available ! TDA7375A Hoja de datos, Descripción, Manual

® TDA7375A
2 x 37W DUAL/QUAD POWER AMPLIFIER FOR CAR RADIO
HIGH OUTPUT POWER CAPABILITY
2 x 43W/4MAX
2 x 37W/4EIAJ
2 x 26W/4@14.4V, 1KHz, 10%
4 x 7W/4@14.4V, 1KHz, 10%
4 x 12W/2@14.4V, 1KHz, 10%
MINIMUM EXTERNAL COMPONENTS
COUNT:
– NO BOOTSTRAP CAPACITORS
– NO BOUCHEROT CELLS
– INTERNALLY FIXED GAIN (26dB BTL)
ST-BY FUNCTION (CMOS COMPATIBLE)
NO AUDIBLE POP DURING ST-BY OPERA-
TIONS
DIAGNOSTIC FACILITIES
– CLIP DETECTOR
– OUT TO GND SHORT
– OUT TO VS SHORT
– SOFT SHORT AT TURN-ON
– THERMAL SHUTDOWN PROXIMITY
Protections:
OUPUT AC/DC SHORT CIRCUIT
– TO GND
BLOCK DIAGRAM
Multiwatt15 V
ORDERING NUMBERS: TDA7375AV
TDA7375AH
– TO VS
– ACROSS THE LOAD
SOFT SHORT AT TURN-ON
OVERRATING CHIP TEMPERATURE WITH
SOFT THERMAL LIMITER
LOAD DUMP VOLTAGE SURGE
VERY INDUCTIVE LOADS
FORTUITOUS OPEN GND
REVERSED BATTERY
ESD
October 1998
1/14

1 page




TDA7375A pdf
Figure 4: P.C. Board and Component Layout of the fig.1 (1:1 scale).
TDA7375A
Figure 5: P.C. Board and Component Layout of the fig.2 (1:1 scale).
5/14

5 Page





TDA7375A arduino
Figure 24: Fault Waveforms
TDA7375A
ST-BY PIN
VOLTAGE
2V
OUTPUT
WAVEFORM
OUT TO Vs SHORT
SOFT SHORT
OUT TO GND SHORT
t
t
Vpin 10
CORRECT TURN-ON
FAULT DETECTION
CHECK AT TURN-ON
(TEST PHASE)
D94AU149A
SHORT TO GND
OR TO Vs
t
TION
As different kinds of information is available at the
same pin (clipping detection, output fault, thermal
proximity), this signal must be handled properly in
order to discriminate the event.
Figure 25: Waveforms
This could be done taking into account the differ-
ent timing of the diagnostic output against differ-
ent events.
Normally the clip detector signalling produces a
low level at out 10 that is shorter referred to every
ST-BY PIN
VOLTAGE
Vs
OUTPUT
WAVEFORM
Vpin 10
WAVEFORM
t
t
D94AU150
CLIPPING
SHORT TO GND THERMAL
OR TO Vs
PROXIMITY
t
11/14

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