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  • √The MAX4466 is a micropower operational amplifier optimized for use as a microphone preamplifier. √Provides a gain bandwidth of 200kHz with only 24μA of supply current. After decompression, a minimum stable gain of +5V / V is achieved and a 600kHz gain bandwidth product is provided. √For the best performance, use the "quietest" supply available (on an for Arduino, this would be the 3.3V supply) √These amplifiers feature rail-to-rail output, high AVOL, and excellent power supply rejection and common-mode rejection ratios for operation in noisy environments. √Widespread applications: This breakout is best used for projects such as voice changers, audio /sampling, and audio-reactive projects that use FFT..
Product Description: The MAX4466 is a micropower operational amplifier optimized for use as a microphone preamplifier. Add an ear to your project with this well-designed which has excellent power supply noise rejection. On the back, we include a small trimmer pot to adjust the gain. You can set the gain from 25x to 125x. That's down to be about 200mVpp (for normal speaking volume about 6" away). Using introduction: Connect GND to ground, VCC to 2.4-5VDC. The audio waveform will come out of the OUT pin. The output will have a DC bias of VCC/2 so when its perfectly quiet, the voltage will be a steady VCC/2 volts (it is DC coupled). If the audio equipment you're using requires AC coupled audio, place a 100uF capacitor between the output pin and the input of your device. If you're connecting to an audio amplifier that has differential inputs or includes decoupling capacitors, the 100uF cap is not required. Features and benefits: Power supply voltage: + 2.4V to + 5.5V (can be directly connected to STM / ARDUNIO / Raspberry Pi and other development board) Power supply rejection ratio: 112dB Common mode rejection ratio: 126dB AVOL: 125dB (RL = 100kΩ) rail-to-rail output Static supply current: andlt;24μA Gain bandwidth: 600kHz Size: 20.8MM*13.8MM*7.5MM Applications: Cellular phone Digital repeater Headphones Hearing aids Microphone preamplifier Portable computer Speech re system Package Including 3 * MAX4466 Electret Microphone Amplifier Module

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MakerHawk 3pcs Electret Microphone Amplifier MAX4466 Module, Microphone Amplifier Module, GY-MAX4466 Breakout Sensor, with Adjustable Gain Breakout Board for Arduino

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