STA530 데이터 시트보기 (PDF) - STMicroelectronics

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STA530

4 X 50W STEREO BASH POWER AMPLIFIER

STMicroelectronics 

STA530

4 X 50W STEREO

POWER AMPLIFIER

s MONOCHIP BRIDGE QUAD CONFIGURABLE

AMPLIFIER OPTIMIZED FOR BASH®

ARCHITECTURE

s 4 X 50W OUTPUT POWER @ RL = 8 Ω,

THD = 10% or (2 x 50W @ 8 Ω + 1 x 100W @

4Ω) or (2 x 100W @ 4 Ω)

s PRECISION RECTIFIERS TO DRIVE THE

BUCK REGULATOR

s ON-OFF SEQUENCE/ TIMER WITH MUTE

AND STANDBY

s PROPORTIONAL OVER POWER OUTPUT

CURRENT TO LIMIT THE BUCK REGULATOR

s ABSOLUTE POWER BRIDGE OUTPUT

TRANSISTOR POWER PROTECTION

s ABSOLUTE OUTPUT CURRENT LIMIT

s INTEGRATED THERMAL PROTECTION

s POWER SUPPLY OVER VOLTAGE

BLOCK DIAGRAM

FLEXIWATT27

PROTECTION

s FLEXIWATT POWER PACKAGE WITH 27 PIN

s BASH® LICENCE REQUIRED

DESCRIPTION

The STA530 is a BASH® power amplifier where

BASH® means “High Efficiency”.

GND

+VS -VS

PWR_INP1 STBY/MUTE PWR_INP3

CD+1&2

OUT1+

OUT1-

CD-1&2

PROT

+10

-1

OUTPUT BRIDGE

TURN-ON/OFF

SEQUENCE

PROTECTION

SOA

DETECTOR

CONFIG.

+10

-1

OUTPUT BRIDGE

CD+3&4

OUT3+

OUT3-

CD-3&4

OUT2+

OUT2-

TRK_2/PAR1&2

TRK_1

July 2003

+10

-1

OUTPUT BRIDGE

ABSOLUTE

VALUE

BLOCK

ABSOLUTE

VALUE

BLOCK

+10

-1

OUTPUT BRIDGE

ABSOLUTE

VALUE

BLOCK

ABSOLUTE

VALUE

BLOCK

PWR_INP2 TRK_OUT PWR_INP4

OUT4+

OUT4-

TRK_4/PAR3&4

TRK_3

D02AU1344

1/17

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