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STA5100

July 2003

s

MONOCHIP BRIDGE MONO AMPLIFIER FOR

BASH

s

THD = 0.5%

s

THD = 10%

s

HIGH DYNAMIC PREAMPLIFIER INPUT

STAGES

s

EXTERNAL PROGRAMMABLE FEEDBACK

TYPE COMPRESSORS

s

AC COUPLED INPUT TO CLASS AB BRIDGE

OUTPUT AMPLIFIER

s

PRECISION RECTIFIERS TO DRIVE THE

DIGITAL CONVERTER

s

ON-OFF SEQUENCE/ TIMER WITH MUTE

AND STANDBY

s

PROPORTIONAL OVER POWER OUTPUT

CURRENT TO LIMIT THE DIGITAL

CONVERTER

s

ABSOLUTE POWER BRIDGE OUTPUT

TRANSISTOR POWER PROTECTION

s

ABSOLUTE OUTPUT CURRENT LIMIT

s

INTEGRATED THERMAL PROTECTION

s

POWER SUPPLY OVER VOLTAGE

PROTECTION

s

FLEXIWATT POWER PACKAGE WITH 27 PIN

s

BASH® licence required

DESCRIPTION

The STA5100 is a fully integrated power module de-

signed to implement a BASH® amplifier when used

in conjunction with STABP01 digital processor.

FLEXIWATT27

140W MONO

POWER AMPLIFIER

BLOCK DIAGRAM

ABSOLUTE

VALUE

BLOCK

OUTPUT BRIDGE

PEAK

DETECTOR

OVER

VOLTAGE

PROTECTION

SOA

DETECTOR

TURN-

ON/OFF

SEQUENCE

THERMAL

PROTECTION

COMPRESSOR

∆G

+2

+2

+

-

V/l

S1

Ict

OUTPUT BRIDGE

CD-N

CD+N

STBY/MUTE

PROT.

CD+

CD-P

OUTP

OUTP

CD+P

IN_PRE

ATT_REL

TRK_OUT

THRESH

PWR_INP

TRK

OUT_ PRE

-VS

GND

+VS

D01AU1280

OUTN

OUTN

-1

-1