The MAX4466 Micphone Module is a micropower operational amplifier optimized to be used as a microphone preamplifier.
Utilizing it’s easy:
Join GND to floor, VCC to 2.4-5VDC.
For the perfect efficiency, use the “quietest” provide out there ( this may be the three.3V provide).
The audio waveform will come out of the OUT pin. The output could have a DC bias of VCC/2 so when its completely quiet, the voltage can be a gentle VCC/2 volts (it’s DC coupled). If the audio tools you are utilizing requires AC coupled audio, place a 100uF capacitor between the output pin and the enter of your system.
Should you’re connecting to an audio amplifier that has differential inputs or contains decoupling capacitors, the 100uF cap will not be required. The output pin will not be designed to drive audio system or something however the smallest in-ear headphones- you will want an audio amplifier (resembling 3.7W stereo amp) if you wish to join the amp on to audio system.
Should you’re connecting to a microcontroller pin, you do not want an amplifier or decoupling capacitor – join the OUT pin on to the microcontroller ADC pin.
For audio-reactive tasks, we propose utilizing an FFT driver library which might take the audio enter and ‘translate’ it into frequencies.
Bundle Included:
6*MAX4466 module
Energy provide voltage:+2.4V to +5.5V
Energy provide rejection ratio:112dB:Frequent mode rejection ratio:126dB
AVOL:125dB(RL = 100KΩ)rail-to-rail output
Static provide present:<24μΑ;Achieve bandwidth:600KHz
Dimension:20.8MM*13.8MM*7.5MM
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