MAX9814 Electret Microphone Amplifier Board MIC Auto Gain Max 40dB/50dB/60dB Frequency 2.7V-5.5V
The MAX9814 is a low cost, high performance microphone amplifier with automatic gain control (AGC) and low noise microphone bias. The device features a low-noise front-end amplifier, a variable gain amplifier (VGA), an output amplifier, a microphone bias voltage generator, and an AGC control circuit.
Features:
Automatic Gain Control (AGC
3 kinds of gain settings (40dB, 50dB, 60dB)
programmable action time
programmable action and release time ratio
Supply voltage range 2.7V ~ 5.5V
Low THD: 0.04% (typical)
Low-power shutdown mode
Built-in 2V low noise microphone bias
Package includes :
1 x
GY-MAX9814 MIC Auto Module


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