Monday, January 23, 2012

Car Quad Audio Amplifier 35W Circuit

TDA7383 - Car Quad Audio Amplifier 35W Circuit

The following a 4 x 35 watts channels/quad audio power amplifier circuit based IC TDA7383. The amplifier circuit is designed specifically suitable for car audio system applications. With a fairly large output power per channel, low distortion and low output noise features. Heatsink should be installed on the power IC to avoid excessive heat. There are very simple and easy to build cos only a few additional components outside the IC power.

Rangkaian 4 x 35W Car Audio Amplifier TDA7383
TDA7383 Pinning

IC TDA7383 is a new technology class AB Audio Power Amplifier in Flexiwatt 25 package designed for high end car radio applications. Thanks to the fully complementary PNP/NPN output configuration the TDA7383 allows a rail to rail output voltage swing with no need of bootstrap capacitors. The extremely reduced components count allows very compact sets. The on-board clipping detector simplifies gain compression operations. The fault diagnostics makes it possible to detect mistakes during Car- Radio assembly and wiring in the car.

Absolute Maximum Ratings of IC TDA7383
Operating Supply Voltage                                   : 18 V
DC Supply Voltage                                          : 28 V
Peak Supply Voltage (t = 50ms)                             : 50 V
Output Peak Current Repetitive (Duty Cycle 10% at f = 10Hz): 4.5 A
Output Peak Current Non Repetitive (t = 100µs)             : 5.5 A
Power dissipation, (Tcase = 70°C)                          : 80 W
Junction Temperature                                       : 150 °C
Storage Temperature                                        : – 55 to 150 °C



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