Electret Microphone Amplifier Stable GY-MAX9814 Auto Gain Control

Deskripsi Electret Microphone Amplifier Stable GY-MAX9814 Auto Gain Control description The MAX9814 is a low-cost, high-performance microphone amplifier with automatic gain control (AGC) and low-noise microphone bias. Device features a low-noise front-end amplifier, variable gain amplifier (VGA), output amplifier, microphone bias voltage generator and AGC control circuit Specifications: Supply Voltage: 2.7v-5.5v @ 3mA current Output: 2Vpp on 1.25V bias Frequency Response: 20Hz - 20 KHz Programmable Attack and Release Ratio Automatic gain, selectable max from 40dB, 50dB or 60dB Low Input-Referred Noise Density of 30nV / Low THD: 0.04% (typ) Automatic Gain Control (AGC) 3 gain setting (40dB, 50dB, 60dB) Programmable operation time Programmable operation and release time than 2.7V to 5.5V supply voltage range Low input noise density 30nV / Low THD: 0.04% (typ) Low-Power Shutdown Mode Built-2V low-noise microphone bias Space-saving 14-pin TDFN (3mm x 3mm) Package -40 C to + 85 C extended temperature range