SPM0423HE4H-WB Datasheet - Knowles Electronics

SPM0423HE4H-WB Digital SiSonic Microphone

Ground Lo/Hi (L/R) Select This pin is internally pulled low. Ground Clock Input PDM Output Power Supply Notes: Pick Area only extends to 0.25 mm of any edge or hole unless otherwise specified. Dimensions are in millimeters unless otherwise specified. Tolerance is ±0.15mm unless otherwise specified .

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 camera.

SPM0423HE4H-WB Features

* Enhanced RF protection

* PDM Output

* Supports Dual Multiplexed Channels

* Ultra-Stable Performance

* Standard SMD Reflow

SPM0423HE4H-WB-KnowlesElectronics.pdf