KRM5400 2021.08.31Analog MEMS Microphones Model No:KRM5400Application TypeAnalog Bottom Port Sensitivity (at 1 kHz)-38±1 dB(V / Pa) SN Ratio (typ)74 dB THD (at 1kHz)1% Typ./125dBSPL、10% Max./130dBSPL Power Supply2.5 V DC Current Consumption (max.)0.25 mA Output Impedance (max.)500 Ω Dimensions4×3×1.5 mm FeaturesHigh SNR / Low THD / For Active Noise Cancellation Operating Voltage2.4 ~ 3.0 V Operating Temperature-40℃ ~ +85℃ Storage Temperature-40℃ ~ +100℃ Frequency response Test circuit Mechanical drawing 投稿者:hoshiden-admin