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发布者:来自网络 发布时间:2014-5-27 阅读:2333次    关键字: 音频功放
EUA6288-14VP-P,非立体声的G类陶瓷扬声器驱动


EUA6288-14VP-P,非立体声的G类陶瓷扬声器驱动 DataSheet

概述

EUA6288为一款非立体声的G类功率放大器,由内部集成的负电荷泵作为电源供电。当电荷泵输出电压大于5V时,可提供高达500mA的峰值输出电流,从而保证14VP-P的输出。
EUA6288通过G类输出级提供良好的性能,相较于AB类元件具有更高的效率,不存在与D类放大器相关的EMI干扰。EUA6288针对陶瓷型/压电扬声器提供高电压输出摆幅的理想设计。该设备利用全差动输入和和全差动输出,内置shutdown控制电路,综合Click和pop噪声抑制电路和软启动电路。EUA6288采用TQFN-28 封装。

特点

•  工作电压操作范围2.7V到5.0V
•  内部集成电荷泵电源
•  14V输入电压摆幅
•  内含Click和pop噪声抑制电路
•  采用TQFN-28 封装
•  符合RoHS规范,Pb-Free及 Halogen-Free

应用

•  移动电话/智能机
•  个人媒体播放器
•  平板电脑
•  掌上游戏机
•  笔记本电脑

EUA6288-14VP-P, Mono, Class G Ceramic Speaker Driver 

Description
The EUA6288 is a mono Class G power amplifier with an integrated inverting charge-pump power supply. The charge pump can supply up to 500mA of peak out-put current over at 5V, guaranteeing an output of 14VP-P.
The EUA6288 offers good performance through the class G output stage, which provides efficiency levels greater than Class AB devices without the EMI penalties commonly associated with Class D amplifiers. The EUA6288 is ideally designed to deliver the high output voltage swing for ceramic/piezoelectric speakers. The device utilizes fully differential inputs and outputs, comprehensive click-and-pop suppression, shutdown control, and soft-start circuitry. The EUA6288 is available in 28-pin TQFN (4mm4mm) package.

Feature
• 2.7V-5.0V Operation
• Integrated Charge-Pump Power Supply
• 14VP-P Voltage Swing Piezoelectric Speaker
• Click-and-Pop Suppression
• Available in TQFN-28 Package
• RoHS Compliant and 100% Lead(Pb)-Free Halogen-Free

Application
• Mobile Phones/ Smartphones
• Personal Media Players
• Tablet PC
• Handheld Gaming
• Notebook Computers

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