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 ...