PST7220

PST7220 is a Anti-Crack Protection, ultra-low EMI, Monaural, 3W class D audio power amplifier. Anti-Crack Protection function can adjust system gain automatically by detecting the output Broken audio distortion. It is not only avoiding the speaker from the damage caused by overload output power, but also offering a comfortable listening experience.PST7220 use proprietary EEE (Enhanced Emission Elimination) technology, significantly lower EMI interference in the whole bandwidth. To 60cm audio line, there is more than 20dB margin, under the FCC standard.PST7220 no filter PWM modulation structure and built-in gain reduce the external components,PCB area, system costs, and simplifying the design.Up to 90% Efficiency fit for mobile phones and other portable audio products more.PST7220 built-in over current protection, thermal protection and low voltage malfunction prevention function, effectively protect chip in the abnormal working conditions from being damaged.PST7220 provides 1.45mm * 1.45mm WLCSP9 package, rated operating temperature range is -40℃ to 85 ℃.