Product overview
Description
The STA541SA is a dual bridge, class-AB audio amplifier designed for high quality sound applications.
The amplifiers have outputs with integrated short-circuit protection, thermal protection and diagnostic functions.
The chip is housed in the 15-pin Clipwatt, environmentally friendly, ECOPACK®package.
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All features
- High output power capability
- 2x 20 W into 8 Ω at 17 V with 10% THD
- 2x 18 W into 4 Ω at 12 V with 10% THD
- Minimum external components count:
- No bootstrap capacitors
- No Boucherot cells
- Internally fixed gain 26 dB
- Standby function (CMOS compatible)
- No audible pop during standby operations
- Diagnostic facilities:
- Clip detector
- Output to ground short-circuit detector
- Output to supply short-circuit detector
- Soft short-circuit check at turn-on
- Thermal shutdown warning
- Protection
- Output AC/DC short circuit
- Soft short-circuit check at turn-on
- Thermal cutoff/limiter to prevent chip from overheating
- High inductive loads
- ESD
- High output power capability
Circuit Diagram
EDA Symbols, Footprints and 3D Models
The STMicroelectronics team - STA541SA
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