TDA7377 Ver la hoja de datos (PDF) - STMicroelectronics

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TDA7377

2 x 30W DUAL/QUAD POWER AMPLIFIER FOR CAR RADIO

STMicroelectronics 



TDA7377

2 x 30W DUAL/QUAD POWER AMPLIFIER FOR CAR RADIO

HIGH OUTPUT POWER CAPABILITY:

2 x 35W max./4Ω

2 x 30W/4Ω EIAJ

2 x 30W/4Ω EIAJ

2 x 20W/4Ω @14.4V, 1KHz, 10%

4 x 6W/4Ω @14.4V, 1KHz, 10%

4 x 10W/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:

TDA7377V

TDA7377H

– 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

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