无破音、最大输出瓦数可调、无声噪声抑制、3.3W单声道D类音频放大器3.3W Mono Class-D Audio Power Amplifier with Non-Clip, Power Limit and Noise Gate CXAR41166为单声道、无破音、最大输出瓦数可调、无声噪声抑制、无需滤波器的3.3W D类音频功率放大器，不仅具有D类的高效率，还有独特的无破音功能，可以通过检测输

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       CXAR41166为单声道、无破音、最大输出瓦数可调、无声噪声抑制、无需滤波器的3.3W D类音频功率放大器，不仅具有D类的高效率，还有独特的无破音功能，可以通过检测输出的破音失真，自动调整系统增益，使用者还可自行调整最大输出瓦数，不仅有效避免了大功率超载输出对喇叭的损坏，在无播音的情况下还会自动滤除噪声，同时带来舒适的听觉感受。CXAR41166采用9焊球WCSP封装。The CXAR41166 is a high efficiency, 3.3W mono class-D audio power amplifier with Non-Clip, Power Limit and Noise Gate. A low noise, filterless PWM architecture eliminates the output filter, reducing external component count, system cost, and simplifying design. CXAR41166 having power limit interlock non-clip function, controls gain automatically and prevents output signals from being clipped at the supply voltage. In addition, this power limit function permits the maximum output to be arbitrarily specified to 100mW to 1000mW according to a speaker to use. The “Noise Gate” function removes the TDMA, DAC or white noise which comes in at no-signal state, by muting an output signal automatically when output level is low. With this function, the very low noise characteristics can be realized. Furthermore, CXAR41166also integrate overcurrent and overtemperature protection functions, DC output protection function, under-voltage malfunction prevention function, as well as EMI noise and the pop noise reduction functions. The CXAR41166is available in space-saving WCSP package.

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•2.5V到5.5V操作F5H嘉泰姆

•为4Ω负载提供3.3W功率输出F5H嘉泰姆

•低EMIF5H嘉泰姆

•无破音功能</p>

•短路保护及短路结束自动回复功能</p>

•过热保护F5H嘉泰姆

•错误DC输出保护F5H嘉泰姆

•最大输出瓦数可调</p>

•低静态电流(4mA)与低功耗关断模式(0.5μA)F5H嘉泰姆

•POP杂音抑制F5H嘉泰姆

•无声噪声抑制F5H嘉泰姆

•WCSP-9封装F5H嘉泰姆

Unique Modulation Scheme Reduces EMI EmissionsF5H嘉泰姆

Unique Non-Clip function , Variable NCNA,F5H嘉泰姆

NCNB,NCNOFF mode SelectF5H嘉泰姆

3.3W 4-
Load at VDD=5V, THD+N <10%F5H嘉泰姆

Low Quiescent Current, IDD=4mA @5VF5H嘉泰姆

2.5V to 5.5V Wide Supply VoltageF5H嘉泰姆

Overcurrent Protection Function (OCP)F5H嘉泰姆

Overtemperature Protection Function (OTP)F5H嘉泰姆

DC Output Protection Function (DCOP)F5H嘉泰姆

Under-voltage Malfunction Prevention FunctionF5H嘉泰姆

(UVL)F5H嘉泰姆

Short Circuit Auto-RecoveryF5H嘉泰姆

Power Limit FunctionF5H嘉泰姆

Noise Gate FunctionF5H嘉泰姆

1.5mm′ 1.5mm Wafer Chip Scale Package (WCSP)F5H嘉泰姆

RoHS Compliant and 100% Lead(Pb)-FreeF5H嘉泰姆

Halogen-FreeF5H嘉泰姆

   应用范围 返回TOPF5H嘉泰姆

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•行动电话F5H嘉泰姆

•个人媒体播放器</p>

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Smart Phones/Cellular PhonesF5H嘉泰姆

Portable Multimedia PlayersF5H嘉泰姆

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