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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