【MAX9814】MAX9814 Microphone Amplifier Board Module Auto Gain Control AGC replace MAX4466 【Design compact】Supply Voltage: 2.7v-5.5v @ 3mA current; Output: 2Vpp on 1.25V bias; Frequency Response: 20Hz - 20 KHz;Programmable Attack and Release Ratio . 【High performance】Automatic gain, selectable max from 40dB, 50dB or 60dB;Low Input-Referred Noise Density of 30nV;Low THD: 0.04% (typ) 【Fast delivery】 Fast and high quality delivery of Spain buying in TECNOIOT