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Número de pieza | TDA7375H | |
Descripción | 2 x 35W DUAL/QUAD POWER AMPLIFIER FOR CAR RADIO | |
Fabricantes | ST Microelectronics | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de TDA7375H (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
No Preview Available ! ® TDA7375
2 x 35W DUAL/QUAD POWER AMPLIFIER FOR CAR RADIO
HIGH OUTPUT POWER CAPABILITY:
2 x 40W max./4Ω
2 x 35W/4Ω EIAJ
2 x 35W/4Ω EIAJ
2 x 25W/4Ω @14.4V, 1KHz, 10%
4 x 7W/4Ω @14.4V, 1KHz, 10%
4 x 12W/2Ω @14.4V, 1KHz, 10%
MINIMUM EXTERNAL COMPONENTS
COUNT:
– NO BOOTSTRAP CAPACITORS
– NO BOUCHEROT CELLS
– INTERNALLY FIXED GAIN (26dB BTL)
ST-BY FUNCTION (CMOS COMPATIBLE)
NOAUDIBLE POPDURING ST-BYOPERATIONS
DIAGNOSTICS FACILITY FOR:
– CLIPPING
– OUT TO GND SHORT
– OUT TO VS SHORT
– SOFT SHORT AT TURN-ON
– THERMAL SHUTDOWN PROXIMITY
Protections:
OUPUT AC/DC SHORT CIRCUIT
BLOCK DIAGRAM
MULTIWATT15V
MULTIWATT15H
ORDERING NUMBERS:
TDA7375V
TDA7375H
– TO GND
– 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
September 1998
DIAGNOSTICS
1/15
1 page Figure 4: P.C. Board and Component Layout of the fig.1 (1:1 scale).
TDA7375
Figure 5: P.C. Board and Component Layout of the fig.2 (1:1 scale).
5/15
5 Page Figure 24: Fault Waveforms
TDA7375
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 various kinds of information is available at the
same pin (clipping detection, output fault, thermal
proximity), this signal must be handled properly in
Figure 25: Waveforms
order to discriminate each event.
This could be done by taking into account the dif-
ferent timing of the diagnostic output during each
case.
ST-BY PIN
VOLTAGE
Vs
OUTPUT
WAVEFORM
Vpin 10
WAVEFORM
t
t
D94AU150
CLIPPING
SHORT TO GND THERMAL
OR TO Vs
PROXIMITY
t
11/15
11 Page |
Páginas | Total 15 Páginas | |
PDF Descargar | [ Datasheet TDA7375H.PDF ] |
Número de pieza | Descripción | Fabricantes |
TDA7375 | 2 x 35W DUAL/QUAD POWER AMPLIFIER FOR CAR RADIO | ST Microelectronics |
TDA7375A | 2 x 37W DUAL/QUAD POWER AMPLIFIER FOR CAR RADIO | ST Microelectronics |
TDA7375AH | 2 x 37W DUAL/QUAD POWER AMPLIFIER FOR CAR RADIO | ST Microelectronics |
TDA7375AV | 2 x 37W DUAL/QUAD POWER AMPLIFIER FOR CAR RADIO | ST Microelectronics |
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