
STMicroelectronics
DESCRIPTION
The TDA7393 is a new technology class AB Audio Power Amplifier in Multiwatt15 package designed for high end car radio applications. Thanks to the fully complementary PNP/NPN output configuration the high power performances of the TDA7393 are obtained without bootstrap capacitors.
■ HIGH OUTPUT POWER CAPABILITY:
2 x 35W max./4Ω
2 x 32W EIAJ/4Ω
2 x 22W typ./4Ω @ 14.4V, 1KHz, 10%
2 x 19W typ./4Ω @ 13.2V, 1KHz, 10%
2 x 28W typ./2Ω @ 14.4V, 1KHz, 10%
2 x 25W typ./2Ω @ 13.2V, 1KHz, 10%
■ LOW DISTORTION
■ LOW OUTPUT NOISE
■ ST-BY FUNCTION
■ MUTE FUNCTION
■ AUTO-MUTE AT MIN. SUPPLY VOLTAGE DETECTION
■ LOW EXTERNAL COMPONENT COUNT
– INTERNALLY FIXED GAIN (32dB)
– NO EXTERNAL COMPENSATION
– NO BOOTSTRAP CAPACITORS
■ ADDITIONAL MONO INPUT
PROTECTIONS:
■ OUTPUT AC/DC SHORT CIRCUIT TO GND AND TO VS
■ VERY INDUCTIVE LOADS
■ OVERRATING CHIP TEMPERATURE WITH SOFT THERMAL LIMITER
■ LOAD DUMP VOLTAGE
■ FORTUITOUS OPEN GND
■ REVERSE BATTERY
■ ESD PROTECTION