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IRAUDAMP21参考设计是一种双通道,90W/ CH(2Ω/±18V;无散热片)/135W/ CH(2Ω/±22V;*带散热器)半桥D类音频功率放大器。该参考设计演示了如何使用IR4321芯片,实现保护电路,并采用综合PowIRaudio D类IC设计的最佳PCB布局。该参考设计不需要散热片或风扇冷却正常运行(八分之一的连续额定功率).The参考设计提供了所有必需的家用电源的易用性。双通道设计是可扩展的功率和信道数。FeaturesOutput Power:
- 90W x 2 channels (10%THD+N 2Ω load; no heatsink),
- 135W x 2 channels (10%THD+N 2Ω load; *with heatsink),
Multiple Protection Features:
- Over-current protection (OCP), high side and low side
- Over-voltage protection (OVP),
- Under-voltage protection (UVP), high side and low side
- DC-protection (DCP),
- Over-temperature protection (OTP)
PWM Modulator:
- Self-oscillating half-bridge topology with optional clock synchronization
Applications
- AV receivers
- Home theater systems
- Mini component stereos
- Powered speakers
- Sub-woofers
- Musical Instrument amplifiers
- Car audio amplifiers
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