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STA5100

STMicroelectronics
Part Number STA5100
Manufacturer STMicroelectronics
Description 140W MONO BASH POWER AMPLIFIER
Published May 31, 2007
Detailed Description STA5100 140W MONO s POWER AMPLIFIER s s s s s s s s s MONOCHIP BRIDGE MONO AMPLIFIER FOR BASH ® ARCHITECTURE 110W ...
Datasheet PDF File STA5100 PDF File

STA5100
STA5100

Overview
STA5100 140W MONO s POWER AMPLIFIER s s s s s s s s s MONOCHIP BRIDGE MONO AMPLIFIER FOR BASH ® ARCHITECTURE 110W OUTPUT POWER @ R L = 4 Ω, THD = 0.
5% 140W OUTPUT POWER @ R L = 4 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 FLEXIWATT27 s s s s s TRANSISTOR POWER PROTECTION ABSOLUTE OUTPUT CURRENT LIMIT INTEGRATED THERMAL PROTECTION POWER SUPPLY OVER VOLTAGE PROTECTION FLEXIWATT POWER PACKAGE WITH 27 PIN BASH® licence required DESCRIPTION The STA5100 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_ PRE TRK PWR_INP + IN_PRE COMPRESSOR ∆G ABSOLUTE VALUE BLOCK CD+P +2 OUTP +2 OUTP OUTPUT BRIDGE ATT_REL V/l CD-P CD+ PEAK DETECTOR Ict OVER VOLTAGE PROTECTION S1 SOA DETECTOR PROT.
THRESH TRK_OUT THERMAL PROTECTION TURNON/OFF SEQUENCE STBY/MUTE CD+N -1 OUTN -1 OUTN OUTPUT BRIDGE CD-N D01AU1280 July 2003 1/14 STA5100 DESCRIPTION (continued) Notice that normally only one Digital Converter is needed to supply a stereo or multi-channel amplifier system, therefore most of the functions implemented in the circuit have summing outputs The signal circuits are biased by fixed negative and positive voltages referred to Ground.
Instead the final stages of the output amplifiers are supplied by two external voltages that are following the audio signal .
In this way the headroom for the output transistors is kept at minimum level to obtain a high efficiency power amplifier.
The Compressor circuits, one for each channel, performs a particular transfer behavior to avoid the dynamic restriction that an adaptive system like this requires.
To have a hig...


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