MA12040XUMA1

Summary of Features

• Multi-level switching technology with 3-level and 5-level modulation
• 2x40W peak output power (18V PVDD, RL = 4Ω, 10% THD+N level)
• Supply Voltages: +4V to +18V (PVDD) and +5V (A/DVDD)
• Suitable for 2.0, 2.1, 4.0, 1.0 output stage configurations
• 4th order feedback error control
• <100mW idle power dissipation (18V PVDD, all channels switching)
• >79% efficiency at 1W power (1kHz sine, 8Ω)
• >92% efficiency at full power (1kHz sine, 8Ω)
• Audio performance (PMP2): >107dB DNR (A-w, rel. to 1% THD+N power level)
• 55µV output integrated noise (A-w)
• 0.003% THD+N at high output levels
• I2C control (four selectable addresses)
• Built-in protection: under-voltage-lockout, over-temperature warning/error, short-circuit/overload protection, power stage pin-to-pin short-circuit, error-reporting through serial interface (I2C), DC protection

Benefits

• Unparalleled power efficiency - optimized for music playback with very low power losses and cool operation
• Ultra compact, fully integrated solution - high power output in a small form factor
• HD audio quality & best in class audio performance - high dynamic range, low distortion, low noise
• Low interference / EMI emission - EMC compliance without use of large filter component
• High suppression of supply ripples
• Reduced BoM and associated system cost savings
• Reduction of battery sizes through better power efficiency
• Eliminates complex dynamic rail tracking
• Offers filter-less amplification and eliminates LC filters in many applications
• Heatsink free operation with EPAD-down package
• Flexible solution - highly configurable for tailored performance in individual applications

Target Applications

• Portable audio - battery operated speakers, on-the-go bluetooth speakers, docking speakers, boom boxes, wearable speakers
• Home audio - multi-room systems, television, soundbars, home theater systems, stand-alone components
• Voice controlled audio - Amazon Alexa, Google Voice, Apple Siri
• Pro audio - active monitor speakers, power-over-ethernet (PoE), multi-channel systems