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发布者:微桥 发布时间:2011-11-24 阅读:5347次    关键字: 音频功放
AD52583-18W Stereo Class-D Audio Amplifier(停产)


AD52583-18W Stereo Class-D Audio Amplifier with Power Limit DataSheet 

Features
􀁺 Single supply voltage
        10 ~ 26V for loudspeaker driver
        Built-in LDO output 3.3V for others
􀁺 Loudspeaker power from 24V supply
        SE Mode: 8 W/ch into 8Ω @ 1% THD+N for stereo
        SE Mode: 10 W/ch into 8Ω @10% THD+N for stereo
􀁺 Loudspeaker power from 24V supply
        SE Mode:14 W/ch into 4Ω @ 1% THD+N for stereo
        SE Mode:18 W/ch into 4Ω @ 10% THD+N for stereo
        BTL mode: 38W into 8Ω @ 10% THD+N for stereo
􀁺 Single-ended analog inputs
􀁺 Single-ended outputs
􀁺 Four selectable, fixed gain settings
􀁺 Internal oscillator
􀁺 Short-circuit protection with auto recovery
􀁺 Thermal protection with auto recovery
􀁺 Under-voltage detection
􀁺 Pop noise and click noise reduction
􀁺 Adjustable power limit function for speaker protection
􀁺 MONO mode selection for BTL operation


Applications
􀁺 TV audio
􀁺 Boom-Box
􀁺 Powered speaker


Description
    The AD52583 is a high efficiency stereo class-D audio amplifier with adjustable power limit function. The loudspeaker driver operates from 10~26V supply voltage and analog circuit operates at 3.3V supply voltage. It can deliver 18W/ch output power into 4Ω loudspeaker without external heat sink during play music. AD52583 provides mono mode application, it can deliver 38W into 8Ω loudspeaker.
The adjustable power limit function allows user to set a voltage rail lower than half of 3.3V to limit the amount of current through the speaker.


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