STA550 Datasheet (ST Microelectronics) - 70 + 70W STEREO BASH POWER AMPLIFIER

STA550, 70 + 70W STEREO BASH POWER AMPLIFIER

The STA550 is a fully integrated power module designed to implement a BASH® amplifier when used in conjunction with STABP01 digital processor.

BLOCK DIAGRAM +VS GND -VS OUT_ PRE1 TRK_1 PWR_INP1 + IN_PRE1 COMPRESSOR ∆G ABSOLUTE VALUE BLOCK CD+1 +2 OUT1+ -1 OUT1- OUTPUT BRIDGE ATT_REL1 V/l CD-1

STA550 70+70W STEREO s POWER AMPLIFIER s s s s s s s s s 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 DIG