SPM1423HM4H-B - Digital High-SNR 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
SPM1423HM4H-B Digital High-SNR SiSonicTM Microphone The SPM1423HM4H-B 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 SPM1423HM4H-B 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 recor
SPM1423HM4H-B Features
* Low Noise
* High Sensitivity
* Low Current
* RF Shielded
* PDM Output
* Supports Dual Multiplexed Channels
* Ultra-Stable Performance
* Standard SMD Reflow
* Omnidirectional Revision: D Sheet 1 of 13 6/18/2013 ©2013 Knowles
