AD52068B Overview
The AD52068B 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.
AD52068B Key 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 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