MAX9814 Microphone Amplifier Module AGC Module

Descriptions:

1. With automatic gain control (AGC) and low noise microphone bias.

2. The device has a low noise front-end amplifier, variable gain amplification (VGA), output amplifier, microphone bias voltage generator and AGC control circuit.

Specifications:

1. Automatic Gain Control (AGC)

2. 3 gain settings (40dB, 50dB, 60dB)

3. Programmable action time

4. Programmable action and release time ratio

5. Power supply voltage range 2.7V ~ 5.5V

6. Low THD: 0.04% (typical)

7. Low-power shutdown mode

8. Built-in 2V low noise microphone bias

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