XA9221

XA9221 2x20W Stereo Class-D Audio Amplifier with Power Limit Features Single supply voltage 4.5V ~ 26V for loudspeaker driver Built-in LDO output 5V for others Loudspeaker power from 24V supply BTL Mode: 20W/CH into 8Ω @<1% THD+N PBTL Mode: 40W/CH into 4Ω @<10% THD+N Loudspeaker power from 12V supply BTL Mode: 10W/CH into 8Ω @10% THD+N 88% efficient Class-D operation eliminates need for heat sink Differential inputs Four selectable, fixed gain settings Internal oscillator Short-Circuit protection with auto recovery option Under-Voltage detection Over-Voltage protection Pop noise and click noise reduction Adjustable power limit function for speaker protection Output DC detection for speaker protection Filter-Free operation Over temperature protection with auto recovery Superior EMC performance Applications TV audio Boom-Box Powered speaker Monitors Consumer Audio Equipment Description The XA9221 is a high efficiency stereo class-D audio amplifier with adjustable power limit func...