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TDA7381 Datasheet(PDF) 1 Page - STMicroelectronics |
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TDA7381 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 13 page  June 2008 Rev 6 1/13 13 TDA7381 4 x 25W quad bridge car radio amplifier Features ■ High output power capability: –4 x 30 W/4 Ω max. –4 x 25 W/4 Ω EIAJ –4 x 18 W/4 Ω @ 14.4 V, 1 kHz, 10 % –4 x 15 W/4 Ω @ 13.2 V, 1 kHz, 10 % ■ Clipping detector ■ Low distortion ■ Low output noise ■ St-by function ■ Mute function ■ Automute at min. supply voltage detection ■ Diagnostics facility for: – Clipping – Out to GND short – Out to VS short – Thermal shutdown ■ Low external component count: – Internally fixed gain (26 dB) – No external compensation – No bootstrap capacitors Protections: ■ Output short circuit to GND, to VS, across the load ■ Very inductive loads ■ Overrating chip temperature with soft thermal limiter ■ Load dump voltage ■ Fortuitous open GND ■ Reversed battery ■ ESD protection Description The TDA7381 is a class AB audio power amplifier in Flexiwatt25 package designed for car radio applications. Thanks to the fully complementary PNP/NPN output configuration the TDA7381 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 Flexiwatt25 Table 1. Device summary Order code Package Packing TDA7381 Flexiwatt25 Tube www.st.com |
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