Sipeed I2S Mic Module MEMS Microphone Single Silicon Microphone Board For Sipeed Maix-Bit / Maix-GO

Characteristic: MEMS microphone: MSM261S4030H0 is an omnidirectional, bottomported, I2S digital output MEMS microphone. It has high performance and reliability. Seneitivity : -26(dB,dBFS@1kHz 1Pa) Signal to noise ratio : 57dB(20kHz bandwidth, A-weighted) Size: 15.2*9.1mm Connection method : 1*6P 2.54mm header FEATURES OVERVIEW MEMS microphones : MSM261S4030H0 Sound Pressure Level : 140 dB SPL Sensitivity : -26(dB,dBFS @1kHz 1Pa) Signal to noise ratio : 57 dB (20kHz bandwidth,A-weighted) THD2k ) Clock frequency : 1.0-4.0Mhz(normal mode) 150-800khz(low power mode) HARDWARE FEATURES Supply voltage of external power supply 3.3V 0.2V Supply current of external power supply >1mA Temperature rise