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MAX9814 Microphone Amplifier Module with Auto Gain Control

175.00 EGP

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Availability: In Stock
SKU:3496300086498
Features:
  • The MAX9814 Microphone Amplifier Module with Auto Gain Control (AGC) is a compact audio amplification module that enhances microphone signals while automatically adjusting the gain to maintain consistent output levels.
  • This module is ideal for sound detection, voice recognition, and audio recording applications, offering easy integration and adjustable gain control.
  • It features low-noise operation and can be powered by 3.3V or 5V, making it compatible with platforms like Arduino and Raspberry Pi.
  • The built-in AGC ensures that audio signals, even with varying volumes, remain clear and balanced.
Specifications:
  • 3 kinds of gain settings (40dB, 50dB, 60dB)
  • Supply Voltage: 2.7v – 5.5v @ 3mA current
  • Output: 2Vpp on 1.25V bias
  • Frequency Response: 20Hz – 20 KHz
  • Low Input-Referred Noise Density of 30nV
  • Low THD: 0.04% (typical)
  • Automatic Gain Control (AGC)
  • programmable action time
  • programmable action and release time ratio
  • Low-power shutdown mode
  • Built-in 2 Volt low noise microphone bias
  • Size: 26 x 14 x 11mm
MAX9814 Microphone Module Pinout

This module has 5 pins:

  •  VCC: Module power supply – 2.7-5.5 V
  •  GND: Ground
  •  OUT: Analog data output to the microcontroller
  •  Gain: Adjusting maximum module output*
  • AR: Adjusting module accuracy*
Applications:
  • Speech Recognition
  • Bluetooth Headsets
  • Two-Way Communicators
  • High-Quality Portable Recorders
  • IP Phones/Telephone Conferencing
Schematic Diagram:

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