MAX9812L Amplified Microphone for Measuring Sound
  • MAX9812L Amplified Microphone for Measuring Sound
  • MAX9812L Amplified Microphone for Measuring Sound
  • MAX9812L Amplified Microphone for Measuring Sound

MAX9812L Amplified Microphone for Measuring Sound

M0151

The MAX9812 is a sound amplifier specially designed to treat the signal coming from microphones.
We can use it together with Arduino to measure sound from a processor like Arduino.
When we saw the modules with microphone we commented that, in general, the signal generated is too low to be registered correctly.
If we want to be able to measure sounds, we will have to amplify the signal. The MAX9812L has single / dual inputs, fixed gain of 20dB, bandwidth of 400 kHz, low noise and low signal distortion 0.015% THD.
There are two models, its supply voltage is 2.7V to 3.6V.
We can use the sensors with MAX9812 for applications that require measuring the intensity or frequency of the sound.

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MAX9812L Amplified Microphone for Measuring Sound description


The MAX9812 is a sound amplifier specially designed to treat the signal coming from microphones.
We can use it together with Arduino to measure sound from a processor like Arduino.
When we saw the modules with microphone we commented that, in general, the signal generated is too low to be registered correctly.
If we want to be able to measure sounds, we will have to amplify the signal. The MAX9812L has single / dual inputs, fixed gain of 20dB, bandwidth of 400 kHz, low noise and low signal distortion 0.015% THD.
There are two models, its supply voltage is 2.7V to 3.6V.
We can use the sensors with MAX9812 for applications that require measuring the intensity or frequency of the sound.
For example, we can vary the illumination of an LED strip depending on the sound, or show an equalizer on a TFT screen.

MAX9812L Amplified Microphone for Measuring Sound features:


- Operating voltage: 2.7 - 3.6 VDC
- Fixed signal gain: 20 dB
- Frequency bandwidth: 400 kHz
- Low noise and low signal distortion: 0.015% THD
- Operating temperature: -40 ° C - + 85 ° C
- It allows to detect the sound intensity of the environment
- Incorporates a MAX9812L audio amplifier chip
- It has an installation hole to facilitate its use and assembly
- Built with an LED Power indicator
- 3-pin connections:
      - VCC: supply voltage
      - GND: ground connection
      - OUT: analog output of the microphone signal
- Dimensions: 26x12x10 mm

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