Description
Product details
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 8 @<1% THD+N PBTL Mode: 40W/CH into 4 @<10% THD+N Loudspeaker power from 12V supply BTL Mode: 10W/CH into 8 @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 AD52068 is a high efficiency stereo class-D audio amplifier with adjustable power limit function. The loudspeaker driver operates from 4.5V~26V supply voltage and analog circuit operates at 5V supply voltage. It can deliver 20W/CH output power into 8 loudspeaker within 1% THD+N at 24V supply voltage and without external heat sink when playing music. AD52068 provides parallel BTL (Mono) application, and it can deliver 40W into 4 loudspeaker at 24V supply voltage. The adjustable power limit function allows user to set a voltage rail lower than half of 5V to limit the amount of current through the speaker. Output DC detection prevents speaker damage from long-time current stress. AD52068 provides superior EMC performance for filter-free application. The output short circuit and over temperature protection include auto-recovery feature.
