About the product
- Application scenarios: cellular phones, repeating sound device, earphones, hearing aids, microphone preamplifiers, portable computers, voice recognition systems, etc.
- This fully assembled and tested board comes with a 20-20KHz electret microphone soldered on.
- Easy to use:The board comes with a 20-20KHz electret microphone soldered on Using the MAX4466, an op-amp specifically designed for amplifier; for the best performance, use the "quietest" supply available (on an for Arduino, this would be the 3.3V supply);the amplifier has excellent power supply noise rejection
- Parameters: power supply voltage: +2.4V to +5.5V (can be compatible with STM, Raspberry Pi and other development board motherboards); Power supply rejection ratio: 112dB; Common mode rejection ratio: 126dB; AVOL: 125dB (RL = 100k?) rail-to-rail output; Quiescent power supply current:
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