【产品】灵敏度为-38dBV/Pa的模拟输出MEMS麦克风AP2718AB，供电电流低至95μA

时间： 2021-12-20 来源：铨力半导体

技术问答

铨力半导体推出的AP2718AB是一款全向性、稳定、低功耗、底部端口的模拟输出MEMS麦克风，优良的一致性，提供-38dBV/Pa（典型值）的灵敏度。器件由MEMS声换能器和低噪声设计的放大器组成，适用于手机、蓝牙耳机、耳机和其他便携式电子设备。

AP2718AB模拟输出MEMS麦克风具有63dB(A) （典型值）的信噪比，和129dB SPL的声学过载点，拥有高动态范围以及平坦的频率响应，可实现高水准的音频性能。供电电压范围在1.6到3.6V之间，供电电流低至95μA，更能体现了MEMS麦克风低功耗的固有优势。

产品参考图：

产品特性：

平坦的频率响应

低电流消耗

全向性

优良的一致性

标准SMD回流焊

典型应用：

手机

蓝牙耳机

耳机

笔记本电脑

数码相机

典型应用电路：

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铨力半导体推出的AP2718AT是一款全向性、稳定、低功耗、顶部端口的模拟输出MEMS麦克风，由MEMS声换能器和低噪声设计的放大器组成，具有57dB(A) （典型值）的信噪比和125dB SPL的声学过载点，呈现平坦的频率响应，对不同频率信号的回放效果好，可实现高水准的音频性能。

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