TDA7375AV(2008) 查看數據表（PDF） - STMicroelectronics

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TDA7375AV
(Rev.:2008)

2 x 37 W dual/quad power amplifier for car radio

STMicroelectronics 

TDA7375AV

2 x 37W dual/quad power amplifier for car radio

Features

■ High output power capability

– 2 x 43 W max./4 Ω

– 2 x 37 W/4 Ω EIAJ

– 2 x 26 W/4 Ω @14.4 V, 1 kHz, 10 %

– 4 x 7 W/4 Ω @14.4 V, 1 kHz, 10 %

– 4 x 12 W/2 Ω @14.4 V, 1 kHz, 10 %

■ Minimum external components count:

– No bootstrap capacitors

– No Boucherot cells

– Internally fixed gain (26 dB BTL)

– Standby function (CMOS compatible)

■ No audible pop during standby operations

■ Diagnostics facility for:

– Clipping

– Out to GND short

– Out to VS short

– Soft short at turn-on

– Thermal shutdown proximity

Protections

■ Output AC/DC short circuit

– To GND

– To VS

– Across the load

■ Soft short at turn-on

■ Overrating chip temperature with soft thermal

limiter

Multiwatt15

■ Load dump voltage surge

■ Very inductive loads

■ Fortuitous open GND

■ Reversed battery

■ ESD

Description

The TDA7375AV is a technology class AB car

radio amplifier able to work either in dual bridge or

quad single ended configuration.

The exclusive fully complementary structure of

the output stage and the internally fixed gain

guarantee the highest possible power

performances with extremely reduced component

count.

The on-board clip detector simplifies gain

compression operation. The fault diagnostics

makes it possible to detect mistakes during car

radio set assembly and wiring in the car.

Table 1.

Device summary

Order code

TDA7375AV

Package

Multiwat15

Packing

Tube

December 2008

Rev 3

1/20

www.st.com

1

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