Seeed ReSpeaker-matriz de micrófono USB V2.0, 2 micrófonos de campo lejano, placa de desarrollo de reconocimiento de voz inteligente, acústica

Description:

• 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 :

Note：if you need the GY-MAX9814 datasheet, please leave your e-mail, we will send to your e-mail.