
STMicroelectronics
DESCRIPTION
The STA550 is a fully integrated power module designed to implement a BASH® amplifier when used in conjunction with STABP01 digital processor.
■ MONOCHIP BRIDGE STEREO AMPLIFIER
FOR BASH® ARCHITECTURE
■ 55+55W OUTPUT POWER @ RL = 4/8 Ω,
THD = 0.5%
■ 70+70W OUTPUT POWER @ RL = 4/8 Ω,
THD = 10%
■ HIGH DYNAMIC PREAMPLIFIER INPUT
STAGES
■ EXTERNAL PROGRAMMABLE FEEDBACK
TYPE COMPRESSORS
■ AC COUPLED INPUT TO CLASS AB BRIDGE
OUTPUT AMPLIFIER
■ PRECISION RECTIFIERS TO DRIVE THE
DIGITAL CONVERTER
■ ON-OFF SEQUENCE/ TIMER WITH MUTE
AND STANDBY
■ PROPORTIONAL OVER POWER OUTPUT
CURRENT TO LIMIT THE DIGITAL
CONVERTER
■ ABSOLUTE POWER BRIDGE OUTPUT
TRANSISTOR POWER PROTECTION
■ INTEGRATED THERMAL PROTECTION
■ POWER SUPPLY OVER VOLTAGE
PROTECTION
■ FLEXIWATT POWER PACKAGE WITH 27 PIN
■ BASH® LICENCE REQUIRED