SPM0423HE4H-WB Digital SiSonicTM Microphone With Enhanced RF Performance The SPM0423HE4H-WB is a miniature, highperformance, low power, top port silicon digital microphone with a single bit PDM output.
Using Knowles’ proven high performance SiSonicTM MEMS technology, the SPM0423HE4H-WB consists of an acoustic sensor, a low noise input buffer, and a sigma-delta modulator.
These devices are suitable for applications such as cellphones, smart phones, laptop computers, sensors, digital still cameras, portable music recorders, and other portable electronic devices where excellent wideband audio performance and RF immunity are required.
Features:  Enhanced RF protection  PDM Output  Supports ...

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