CJMCU-472 TS472 Low Noise Microphone Preamplifier Module Electret Microphone Dedicated Board

Schematic: http://img.banggood.com/file/products/20180515014942CJMCU-472.pdf Feature: The TS472 is an advanced microphone preamplifier solution, especially intended for mobile multimedia applications, with the following key features. Low noise: 10 nV/Hz typ. equivalent input noise at F = 1 kHz Fully-differential input/output 2.2 to 5.5 V single supply operation Low power consumption at 20 dB: 1.8 mA Fast start-up time at 0 dB: 5 ms typ. Low distortion: 0.1% typ. 40 kHz bandwidth at -3 dB and adjustable gain Active low standby mode function (1 uA max) Low noise 2.0 V microphone bias output Available in flip-chip lead-free package and QFN24 4 x 4 mm ESD protection (2 kV) Refer to the TS472 datasheet for complete device information. Package includes: 1 x Microphone Preamplifier Module