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MAX9814 Electret Microphone Amplifier Module - Automatic Gain Control - Adafruit

Microphone Amplifier ModuleIt allows you to listen at a normal level by amplifying the sound signals perceived by the microphone in projects where sound levels are insufficient and where distant sounds are desired to be detected. The maximum gain that can be achieved with this module is 60 decibels. By changing the Gain Pin, the raising rate can be adjusted to 40 or 50 decibels.

You can review the PDF file for the technical specifications, datasheet file and usage patterns of the product.

Max9814 Amplifier Module Specifications

  • Supply Voltage: 2.7v-5.5v @ 3mA current
  • Output: 2Vpp over 1.25V bias
  • Frequency Response: 20Hz - 20KHz
  • Programmable Attack and Swing Rate
  • Auto gain, maximum selectable from 40dB, 50dB or 60dB
  • Low Input Reference Noise Intensity 30nV /
  • Low THD: 0.04% (normal)
  • Low Power Shutdown Mode
  • Built-in 2V low noise microphone bias
  • Wide temperature range of -40 ° C ~ + 85 ° C

Documents

Useful Links

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Electret Microphone Amplifier Module - MAX9814 Automatic Gain Control

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  • MAX9814 Electret Microphone Amplifier Module - Automatic Gain Control - Adafruit

    Microphone Amplifier ModuleIt allows you to listen at a normal level by amplifying the sound signals perceived by the microphone in projects where sound levels are insufficient and where distant sounds are desired to be detected. The maximum gain that can be achieved with this module is 60 decibels. By changing the Gain Pin, the raising rate can be adjusted to 40 or 50 decibels.

    You can review the PDF file for the technical specifications, datasheet file and usage patterns of the product.

    Max9814 Amplifier Module Specifications

    • Supply Voltage: 2.7v-5.5v @ 3mA current
    • Output: 2Vpp over 1.25V bias
    • Frequency Response: 20Hz - 20KHz
    • Programmable Attack and Swing Rate
    • Auto gain, maximum selectable from 40dB, 50dB or 60dB
    • Low Input Reference Noise Intensity 30nV /
    • Low THD: 0.04% (normal)
    • Low Power Shutdown Mode
    • Built-in 2V low noise microphone bias
    • Wide temperature range of -40 ° C ~ + 85 ° C

    Documents

    Useful Links

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