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AD52060 2x20W立体声D类功放带Power Limit EMC优化
文章来源:永阜康科技 更新时间:2020/8/11 11:50:00

Description
The AD52060 is a high efficiency stereo class-D audio amplifier with adjustable power limit function.
The loudspeaker driver operates from 8V~26Vsupply voltage. It can deliver 20W/CH output power into 8Ω loudspeaker within 1% THD+N at 24V supply voltage and without external heat sink whenplaying music.
AD52060 provides parallel BTL (Mono)application, and it can deliver 40W into 4Ω 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. AD52060 provides superior EMC performance for filter-free application.
The output short circuit and over temperature protection include auto-recovery feature.

Features
􀁺 Single supply voltage
8V ~ 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

Applications
􀁺 TV audio
􀁺 Boom-Box
􀁺 Powered speaker
􀁺 Monitors
􀁺 Consumer Audio Equipment

 
 
 
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