Applications:
• Professional Audio Amplifiers
• Home Cinema
• Active Speakers and subwoofers
• Instrument amplifiers
• High power car audio
Advantages:
Specifically designed for audio power amplifier output stage applications, ALFET Mosfets are an exclusive new range of devices with outstanding performance and a minimal footprint. They
offer superb sonic characteristics and with the features listed below its not hard to see how
we can help you to reduce size, cut costs and add real quality and functionality to your design.
• A wide safe operating area (SOA) and absence of secondary
breakdown
• Reliable and robust performance when compared to
bipolar solutions
• Simplified protection saving cost & reducing complexity
• Improvement of amplifier performance with awkward loads
• Oscillation-free operation on double-die devices
ALFET Mosfets also have a negative temperature coefficient and
completely thermally stable bias point without the
need for emitter resistors, as used in bipolar amplifiers.
Advanced technical features include:
• Simplified drive circuitry requirements through high
impedance gate
• Inherent output anti-parallel diodes
• Excellent thermal characteristics
• Single live heatsink capability (source connected case)
• Very high bandwidth and slew rate
• No high frequency cross conduction
• Easy paralleling (devices available in selected categories to
enhance paralleling performance)
• Soft clipping performance
Application Note
• Lateral MOSFET Design recommendations for Audio Amplifiers
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