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STA7360

20W BRIDGE/STEREO AUDIO AMPLIFIER

WITH CLIPPING DETECTOR

s

s

s

s

s

s

s

s

s

s

VERY FEW EXTERNAL COMPONENTS

NO BOUCHEROT CELLS

NO BOOSTRAP CAPACITORS

HIGH OUTPUT POWER

NO SWITCH ON/OFF NOISE

VERY LOW STAND-BY CURRENT

FIXED GAIN (20dB STEREO)

PROGRAMMABLE TURN-ON DELAY

CLIPPING DETECTOR

ST-BY FUNCTION

MULTIWATT11V

ORDERING NUMBER: STA7360

Protections:

s

OUTPUT AC-DC SHORT CIRCUIT TO

GROUND AND TO SUPPLY VOLTAGE

s

VERY INDUCTIVE LOADS

s

LOUDSPEAKER PROTECTION

s

OVERRATING CHIP TEMPERATURE

s

ESD PROTECTION

DESCRIPTION

The STA7360 is a new technology class AB Audio

APPLICATION CIRCUIT

Power Amplifier in the Multiwatt廬 package.Thanks to

the fully complementary PNP/NPN output configura-

tion the high power performance of the STA7360 is

obtained without bootstrap capacitors.

A delayed turn-on mute circuit eliminates audible on/

off noise, and a novel short circuit protection system

prevents spurious intervention with highly inductive

loads.

The device provides a circuit for the detection of clip-

ping in the output stages. The output, an open collec-

tor is able to drive systems with automatic volume

control.

20K

+V

S

C4

1碌F

22碌F C3

SVR

0.22碌F C2

IN2(+)

0.22碌F C1

IN

IN1(+)

1

2

3

S-GND

6

P-GND

D00AU1213

220碌F

C5

STAND-BY

11

7

100nF

C6

9

8

OUT2

RL

5

10

4

OUT1

OUT BRIDGE

CLIP DET

September 2003

1/18

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