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发布者:来自网络 发布时间:2017-11-7 阅读:49次    关键字: 音频功放
AD53060-2x15W+1x30W 2.1CH/4x15W 4CH Class-D


AD53060-2x25W Stereo/2x15W+1x30W 2.1CH/4x15W 4CH Class-D Audio Amplifier with Power Limit DataSheet

AD53060_EVB

Features
 Single supply voltage
4.5V ~ 20V for loudspeaker driver Built-in LDO output 5V for others
 Loudspeaker power from 18V supply
BTL output: 15W/CH into 8 @<1% THD+N PBTL Mode: 30W/CH into 4 @<1% THD+N
 Loudspeaker power from 12V supply
BTL output: 10W/CH into 8 @10% THD+N PBTL output: 15W/CH into 4 @<1% THD+N
 88% efficient Class-D operation eliminates need for heat sink
 Differential inputs
 +26dB fixed gain setting
 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
 Boom-Box
 Powered speaker
 Monitors
 Consumer Audio Equipment


Description The AD53060 is a high efficiency stereo class-D audio amplifier with adjustable power limit function. The loudspeaker driver operates from 4.5V~20V supply voltage. It can deliver 15W/CHx4 output power into 8 loudspeaker within 1% THD+N at 18V supply voltage and without external heat sink requirement when playing music. AD53060 provides parallel BTL configuration for stereo application also, and it can deliver 25W/CHx2 into 4 loudspeaker at 18V 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. AD53060 provides superior EMC performance for filter-free application. The output short circuit and over temperature protection include auto-recovery feature.

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