D类低功率音频放大器
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D类低功率音频放大器
AD51652-WL09NRR
The AD51652 is a 5.0W mono, filter-less Class-D audio amplifier. Operating with 5.0V loudspeaker driver supply, it can deliver 5.0W output power into 2Ω loudspeaker within 10% THD+N or 4.3W at 1% THD+N.
The AD51652 is a mono audio amplifier with high efficiency and suitable for the notebook computer, and portable multimedia device.
Features
Supply voltage range: 2.5 V to 5.5 V
Support single-ended or differential analog input
Low Quiescent Current
Low Output Noise
Low shut-down current
Short power-on transient time
Internal pull-low resistor on shut-down pins
Short-circuit protection
Over-temperature protection
Loudspeaker power within 10% THD+N
1.8W/ch into 8Ω loudspeaker
>3W/ch into 4Ω loudspeaker
5W/ch into 2Ω loudspeaker (TDFN-8L)
Loudspeaker efficiency
90% @ 8Ω, THD+N=10%
85% @ 4Ω, THD+N=10%
74% @ 2Ω, THD+N=10%
MSOP-8L, TDFN-8L and 0.4mm ball pitch WLCSP-9L packages
Integrated Feedback Resistor of 300kΩ
Applications
Monitor audio
PDA
Portable multimedia devices
Notebook computer
Mobile phone
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