MA12040

MA12040 Filterless and High-Efficiency +4V to +18V Audio Amplifier with Analog Input Description The MA12040 is a super-efficient audio power amplifier based on proprietary multi-level switching technology. It supports a wide supply voltage range, allowing it to be used in many different applications. Multi-level switching enables very low power loss during operation. In addition, it allows the amplifier to be used in filterless configurations at full rated power in a wide range of audio products. The MA12040 features an embedded digital power management scheme. The power management algorithm dynamically adjusts switching frequency and modulation to optimize power loss and EMI across the output power range. A 4th order feedback loop ensures low distortion and a high PSRR. The MA12040 operates from a single power stage supply voltage (PVDD) and a 5V system supply voltage (DVDD, AVDD). Highly flexible output stage configurations are offered, ranging from four single-ended outputs to a ...