This document contains data proprietary to PUI Audio Inc. Any use or reproduction, in any form, without prior written permission of PUI Audio Inc. is prohibited. 2020, PUI Audio Inc. Data Sheet AMM-3738-B-EB-R PUI Audio is proud to release a line of premium, high-fidelity MEMS wide-band microphones that cover the entire audio band from 20 Hz up to 18 kHz and up to 20 kHz on some modelswhile featuring industry-best consistency of 1 dB across the entire frequency response. Quickly test and prototype the bottom-firing AMM-3738-B-R with this evaluation board. Solder pads with pre-punched through-holes make wiring to the evaluation board quick-and-easy Specifications Parameters Values Units Sensitivity (1 kHz 50cm) 0 dB=1V/Pa -381 dB Rated Voltage 2 VDC Operating Voltage Range 1.5 to 3.6 VDC Output Impedance ( 1 kHz) 300 Current consumption (at 2 VDC/at 3.6 VDC) 90/200 A Signal-to-Noise Ratio (1kHz, 94 dB input, A-weighted) 62 dB Decreasing Voltage (0 dB=1V/Pa, 3.6 to 1.5 VDC) 0.5 dB Frequency Range 20 20,000 Hz Total Harmonic Distortion (94 dB 50cm, 1 kHz) 0.5% - Acoustic Overload Point (AOP) (50cm, 1kHz, 10% THD) 125 dB Directivity Omnidirectional Environmental Compliances RoHS/Halogen Free Power Supply Rejection (PSR, 100 mVpp Square Wave 217 Hz, A-weighted) -90 dB Operating Temperature (VDD < 3 VDC) -40 ~ +100 C Operating Temperature (VDD > 3 VDC) -40 ~ +70 C Storage Temperature -40 ~ +125 C PUI Audio, Inc., 3541 Stop Eight Road, Dayton, OH 45414 Tel: (937) 415-5901 Fax: (937) 415-5925 This document contains data proprietary to PUI Audio Inc. Any use or reproduction, in any form, without prior written permission of PUI Audio Inc. is prohibited. 2020, PUI Audio Inc. Absolute Maximum Ratings Parameters Values Units Max Voltage on Any Pin 4 VDC Max Sound Pressure Level 160 dB Max Mechanical Shock 10,000 Gs Max Vibration Pre-MIL-STD-883 Method 2007, Test Condition B Measurement Method (with speaker spaced 50cm from microphone) Recommended Drive Circuit (capacitor included on evaluation board) PUI Audio, Inc., 3541 Stop Eight Road, Dayton, OH 45414 Tel: (937) 415-5901 Fax: (937) 415-5925