SparkFun Length/Diameter 100 to -46 plus or 680 ohms 1.5V Electret = 9.7mm 10000Hz minus 2 dB Microphone Height = 4.5mm Breakout ADMP401 4.72mm x 100Hz to -42 dB 200 ohms 1.5V to MEMS 3.76mm x 15kHz 3.3V Microphone 1.0mm USB Plug USB size N/A N/A USB USB Mini resistance voltage Microphone Mini 12 cm long 30Hz to -62 plus or 3.5 mm 3.5mm 3.5mm 16000Hz minus 3 dB jack audio jack Flexible MIC Table 3.5 A: Microphone specifications. Supply Working Input Additional Current Voltage comments SparkFun Max 0.5 mA 1V to 10 V DC Termination Need to connect Electret Pins to board we Microphone decided to buy Breakout ADMP401 250 uA 2.7 to 5.5 V Termination Need to connect MEMS Pins to we Microphone decided to buy USB Plug Mini USB current 5V USB Need to buy a Microphone USB input Mini 3.5mm 3.5 mm 3.5 mm audio Microphone is Need to buy a Flexible MIC audio jack jack connected audio jack through a 3.5 mm audio jack 3.5 B: Microphone specifications, continued. Maximum Sensitivity Cost to Noise Ratio SparkFun Electret 58 dB $7.95 Microphone Breakout ADMP401 MEMS 62dB $3.95 Microphone Mini 3.5mm Flexible N/A $2.79 MIC Mini 3.5mm Flexible N/A $1.97 MIC 3.5 C: Microphone specifications, continued further.
SparkFun Electret Microphone Breakout Length/Diameter = 9.7mm Height = 4.5mm 100 to 10000Hz -46 plus or minus 2 dB 680 ohms 1.5V ADMP401 MEMS Microphone 4.72mm x 3.76mm x 1.0mm 100Hz to 15kHz -42 dB 200 ohms 1.5V to 3.3V USB Plug Mini Microphone USB size N/A N/A USB resistance USB voltage Mini 3.5mm Flexible MIC 12 cm long 30Hz to 16000Hz -62 plus or minus 3 dB 3.5 mm jack 3.5mm audio jack Table 3.5 A: Microphone specifications. Supply Current Working Voltage Input Additional comments SparkFun Electret Microphone Breakout Max 0.5 mA 1V to 10 V DC Termination Pins Need to connect to board we decided to buy ADMP401 MEMS Microphone 250 uA 2.7 to 5.5 V Termination Pins Need to connect to we decided to buy USB Plug Mini Microphone USB current 5V USB Need to buy a USB input Mini 3.5mm Flexible MIC 3.5 mm audio jack 3.5 mm audio jack Microphone is connected through a 3.5 mm audio jack Need to buy a audio jack 3.5 B: Microphone specifications, continued. Maximum Sensitivity to Noise Ratio Cost SparkFun Electret Microphone Breakout 58 dB $7.95 ADMP401 MEMS Microphone 62dB $3.95 Mini 3.5mm Flexible MIC N/A $2.79 Mini 3.5mm Flexible MIC N/A $1.97 3.5 C: Microphone specifications, continued further.
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