TDA7385 datasheet(1/12 Pages) STMICROELECTRONICS

部件名	TDA7385

功能描述	4 x 30W QUAD BRIDGE CAR RADIO AMPLIFIER

PDF	12 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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1 / 12 page

TDA7385

4 x 30W QUAD BRIDGE CAR RADIO AMPLIFIER

HIGH OUTPUT POWER CAPABILITY:

4 x 35W/4

Ω MAX.

4 x 30W/4

Ω EIAJ

4 x 22W/4

Ω @ 14.4V, 1KHz, 10%

4 x 18.5W/4

Ω @ 13.2V, 1KHz, 10%

CLIPPING DETECTOR

LOW DISTORTION

LOW OUTPUT NOISE

ST-BY FUNCTION

MUTE FUNCTION

AUTOMUTE AT MIN. SUPPLY VOLTAGE DE-

TECTION

DIAGNOSTICS FACILITY FOR:

– CLIPPING

– OUT TO GND SHORT

– OUT TO VS SHORT

– THERMAL SHUTDOWN

LOW EXTERNAL COMPONENT COUNT:

– INTERNALLY FIXED GAIN (26dB)

– 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 TDA7385 is a new technology class AB

Audio Power Amplifier in Flexiwatt 25 package

October 1999

®

ORDERING NUMBER: TDA7385

IN1

0.1

µF

MUTE

ST-BY

IN2

0.1

µF

OUT1+

OUT1-

OUT2+

OUT2-

PW-GND

IN3

0.1

µF

IN4

0.1

µF

OUT3+

OUT3-

OUT4+

OUT4-

PW-GND

D93AU002C

AC-GND

0.1

µF47µF

SVR

TAB

S-GND

Vcc1

Vcc2

100nF

2.200

µF

DIAGN. OUT

BLOCK AND APPLICATION DIAGRAM

FLEXIWATT25

1/12

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