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E-TDA7385 Datasheet

Part NameE-TDA7385 ST-Microelectronics
STMicroelectronics ST-Microelectronics
Description4 x 42 W quad bridge car radio amplifier
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TDA7385 image

Description
The TDA7385 is an AB class audio power amplifier, packaged in Flexiwatt 25 and designed for high end car radio applications.
Based on a fully complementary PNP/NPN
configuration, the TDA7385 allows a rail to rail output voltage swing with no need of bootstrap capacitors. The extremely reduced boundary 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.

Features
■ High output power capability:
   – 4 x 42 W / 4 Ω max.
   – 4 x 23 W / 4 Ω @ 14.4 V, 1 kHz, 10 %
■ Clipping detector
■ Low distortion
■ Low output noise
■ Standby 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

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