XPT8871
日期:2023-3-30XPT8871 是一款无FM干扰,AB/D 类可选式功率放大器。5V 工作电压时,最大驱动功率为 5W
(2Ω,BTL 负载,THD<10%),音频范围内总谐波失真噪声小于 1%。
XPT8871MS MSOP8 编带 3000/管
XPT8871SO SOP8 管装 100/管
XPT8871ES ESOP8 管装 100/管 带散热片
XPT8871DF DFN 编带 3000/盘 带散热片
XPT8871的应用电路简单,只需极少数外围器件,
集成反馈电阻;输出不需要外接耦合电容或上举
电容和缓冲网络。
XPT8871 采用 MSOP/SOP/ ESOP/DFN 封装,特
别适合用于小音量、小体重的便携系统中。可以
通过控制进入休眠模式,从而减少功耗。
XPT8871 内部具有过热自动关断保护机制;工作
稳定,增益带宽积高达 2.5MHz,并且单位增益
稳定。反馈电阻内置,通过配置外围参数可以调
整放大器的电压增益及最佳音质效果,方便应用。
芯片功能主要特性 V
对 FM 无干扰,高效率,音质优
输出功率高(THD+N<10%,1KHz 频率):
ESOP 封装的为 5W(2Ω负载)和 3.5W(3Ω负
载),3W(4Ω负载)
掉电模式漏电流小
采用 MSOP/SOP/ ESOP/DFN 封装
外部增益可调,集成反馈
宽工作电压范围 2.0V—5.5V
不需驱动输出耦合电容、自举电容和缓冲网络
单位增益稳定
容 LM4871
芯片的基本应用
手提电脑
台式电脑
低压音响系统、USB、2.1/2.0 多媒体音响芯片的基本应用
手提电脑
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