CXAR41169无破音低EMI单声道D类音频放大器Non-Clip, Low EMI, 2.8W Mono Filterless Class-D Audio Power Amplifier with Auto-Recovery 无需滤波器的D类音频功率放大器不仅具有D类的84%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，不仅有效避免了大功率超载输出对喇叭的损坏

   产品概述 返回TOP7KA嘉泰姆

     CXAR41169单声道、无破音、低EMI、2.8W、无需滤波器的D类音频功率放大器不仅具有D类的84%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，不仅有效避免了大功率超载输出对喇叭的损坏，同时带来舒适的听觉感受。CXAR41169采用9焊球WCSP和8 PIN TDFN封装。The CXAR41169 is a high efficiency, 2.8W mono class-D audio power amplifier with non-clip. A low noise, filterless PWM architecture eliminates the output filter, reducing external component count, system cost, and simplifying design. Operating in a single 5V supply, CXAR41169 is capable of driving 4Ω speaker load at a continuous average output of 2.8W/10% THD+N or 2.2W/1% THD+N. The CXAR41169 has high efficiency with speaker load compared to a typical class AB amplifier. With a 3.6V supply driving an 8Ω speaker , the efficiency for a 400mW power level is 84%. CXAR41169 feature non-clip output control function which detects output signal clip due to the over level input signal and suppress the output signal clip automatically. Also the non-clip output control function can adapt the output clip cause by power supply voltage down with battery. In cellular handsets, the earpiece, speaker phone, and melody ringer can each be driven by the CXAR41169 The CXAR41169is available in space-saving WCSP and TDFN-8 packages.

   产品特点 返回TOP7KA嘉泰姆

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‧2.5V到5.5V操作7KA嘉泰姆

‧为4Ω负载提供2.8W功率输出7KA嘉泰姆

‧低EMI7KA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7KA嘉泰姆

‧84%的效率</p>

‧低静态电流(3.5mA)与低功耗关断模式(0.5μA)7KA嘉泰姆

‧POP杂音抑制7KA嘉泰姆

‧WCSP-9 与TDFN-8封装7KA嘉泰姆

Unique Modulation Scheme Reduces EMI Emissions7KA嘉泰姆

Unique Non-Clip function , Variable NCN1,7KA嘉泰姆

NCN2,NCNOFF mode Select7KA嘉泰姆

Short Circuit Auto-Recovery7KA嘉泰姆

Efficiency at 3.6V With an 8-
Speaker:7KA嘉泰姆

− 84% at 400 mW7KA嘉泰姆

Low Quiescent Current and7KA嘉泰姆

Shutdown Current7KA嘉泰姆

2.5V to 5.5V Wide Supply Voltage7KA嘉泰姆

Shutdown Pin Compatible with 1.8V Logic GPIO7KA嘉泰姆

Optimized PWM Output Stage Eliminates7KA嘉泰姆

LC Output Filter7KA嘉泰姆

Improved PSRR ( -68 dB) Eliminates Need for a7KA嘉泰姆

Voltage Regulator7KA嘉泰姆

Fully Differential Design Reduces RF Rectification7KA嘉泰姆

and Eliminates Bypass Capacitor7KA嘉泰姆

Improved CMRR Eliminates Two Input7KA嘉泰姆

Coupling Capacitors7KA嘉泰姆

Internally Generated 325-kHz Switching7KA嘉泰姆

Frequency7KA嘉泰姆

Integrated Pop and Click Suppression Circuitry7KA嘉泰姆

1.5mm′ 1.5mm Wafer Chip Scale Package (WCSP)7KA嘉泰姆

and 3mm′ 3mm TDFN-8 Package7KA嘉泰姆

RoHS Compliant and 100% Lead(Pb)-Free7KA嘉泰姆

Halogen-Free7KA嘉泰姆

   应用范围 返回TOP7KA嘉泰姆

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‧行动电话7KA嘉泰姆

‧个人媒体播放器</p>

‧掌上游戏机
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Ideal for Wireless or cellular Handsets and PDAs7KA嘉泰姆

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