IC ,Power amplifier class-D ,2x20W stereo,1x40W mono digital audio amplifier,4.5-26V ,28L-E-TSSOP ,ESMT
ESMT Elite Semiconductor AD52068-QG28NRT ,E-TSSOP 28L
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