ADMP521

所属类别：传感器
产品名称：具有底部收音孔和PDM数字输出的超低噪声麦克风
厂商：ADI
生产批号：12+
封装：QFN
库存状态：有库存
库存量：49000
最低订购量：1
详细资料：

Product Introduction

ADMP521 Ultra-low noise microphone with bottom pickup hole and PDM digital output

ADMP521 is a high-performance, ultra-low-noise, low-power, digital-output, bottom-lobby omnidirectional MEMS microphone. ADMP521 consists of a MEMS microphone element and an impedance converter amplifier, followed by a fourth-order sigma-delta modulator. The digital interface allows for time-multiplexing of the pulse density modulation (PDM) outputs of two microphones on a single data line using a single clock. ADMP521 fully compatible with the functions and pins of ADMP421 microphones, providing a simple and easy upgrade path.

The ADMP521's extremely high SNR and sensitivity of −26 dBFS make it an excellent choice for far-field applications. The extended wideband frequency response enables highly clear natural sound. The low power consumption and sleep mode (less than 1 μA of power consumption) extend battery life for portable applications. The built-in particulate filter increases the reliability of the device. ADMP521 Comply with TIA-920 standard: Transmission requirements for broadband digital cable telephones for telecommunications telephone terminal equipment.

ADMP521 are available in thin 3 mm × 4 mm × 1 mm surface mount packages that support reflow soldering without causing sensitivity degradation. ADMP521 does not contain halogens. /p>

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智能电话和功能电话
平板电脑
电话会议系统
数码相机/数码摄像机
蓝牙耳机
笔记本电脑
安防和监控

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ADMP521

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