The PUI Audio Microphone omnidirectional offers a sensitivity of minus 26 plus minus 1 dBV at 1 kHz with a 94 dB source measured at 50 cm. The data format is one half cycle PDM ensuring efficient signal processing. It operates at a rated voltage of 1 point 8 VDC with an operating voltage range of 1 point 5 to 3 point 6 VDC. The current draw varies with different modes including 650 to 1000 microamperes in full power mode 280 to 450 microamperes in low power mode and 5 microamperes in sleep mode. The signal to noise ratio is 59 dB in full power mode and 57 dB in low power mode ensuring clear audio capture. The frequency range spans from 20 Hz to 18000 Hz providing a broad spectrum of sound detection. Weight less than 0.3 Grams
Load Capacitance 140 pF
Max Voltage on any Pin 4 VDC