Sipeed MSM261S4030H0 High Sensitivity I2S Digital Microphone Module uses high sensitivity Digital Microphone MSM261S4030H0 with I2S communication standard and integrated 24bits signal preprocessor helps you realize AI applications: Professionally identify sound intensity and voice recognition; the circuit supports sample code on Sipeed's RISC-V Maix, FPGA Tang and Linux Lichee product series.
Specifications:
Model: Sipeed MSM261S4030H0 I2S digital microphone module
Input voltage: 3.3V±0.2V(DC) 
Input current: >1mA 
Sound level pressure: 140 dB SPL 
Sensitivity: -26(dB, dBFS@1kHz 1Pa) 
S/N ratio: 57dB(20kHz bandwidth, A-weighted) 
Output: digital I2S output 
Connector: 6P 2.54mm
Dimensions: 15.2×9.1mm