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

Package List:
1 x module