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发布者:微桥 发布时间:2011-11-21 阅读:6067次    关键字: 音频功放
AD52660A-15V Stereo Class-D Audio Power Amplifier


AD52660A-15V Stereo Class-D Audio Power Amplifier DataSheet 

Features
􀁺 Operate from 8~15V supply voltage
􀁺 Class-D power
􀂄 15W/ch into 8Ω from 15V supply @ 10% THD+N for stereo
􀂄 12W/ch into 6Ω from 12V supply @ 10% THD+N for stereo
􀂄 29W/ch into 4Ω from 15V supply @ 10% THD+N for mono
􀁺 Output integrated noise 120uVrms from 12V supply @ GAIN=20dB
􀁺 Efficiency
    89% 8Ω from 12V supply @ GAIN=20dB
􀁺 S/N ratio
    97dB 8Ω from 12V supply @ GAIN=20dB
􀁺 Crosstalk
    92dB 8Ω from 12V supply @ GAIN=20dB
􀁺 PSRR
    68dB 8Ω from 12V supply @ GAIN=20dB
􀁺 Support single-ended or differential analog input
􀁺 Anti-pop design
􀁺 Over-temperature protection
􀁺 Over-current protection
􀁺 Clock output for synchronization with multiple Class-D devices
􀁺 Two volume control modes
􀂄 31 step DC volume control
􀂄 4 selectable, fixed gain setting


Applications
􀁺 TV audio
􀁺 Boom-Box
􀁺 Powered speaker

Description
    The AD52660A is a high efficiency stereo Class-D audio amplifier. Operating with 8~15V supply, it can deliver 12W/CH output power into 8 Ω loudspeaker
within 1% THD+N.
    The AD52660A has two volume control modes by setting MODE0 pin. While MODE0 pin is set logic high, AD52660A is in DC volume control mode with 31-step volume gain, adjusted by the DC voltage applied on GAIN0 pin. Otherwise, AD52660A is the 4-step volume gain mode, selected by setting GAIN0 and GAIN1 pins. The two volume adjustment modes are designed to fit the different volume
control requirements in various applications.
    The AD52660A packaged as E-LQFP 48L (7x7mm) is a stereo audio amplifier with high efficiency and low thermal resistance which leads to no external heat sink requirement under 10W/ch output power.

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