STA530 Datasheet, PDF (1/17 Pages) STMicroelectronics – 4 X 50W STEREO BASH POWER AMPLIFIER

STA530
4 X 50W STEREO
POWER AMPLIFIER
s MONOCHIP BRIDGE QUAD CONFIGURABLE
AMPLIFIER OPTIMIZED FOR BASH^®
ARCHITECTURE
s 4 X 50W OUTPUT POWER @ R_L = 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
+V_S -V_S
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
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