This part is a kind of semiconductor called ADA8282.

Function of this product has 4-Channel LNA and PGA.

Manufacturers : Analog Devices

Image and pinout :

Some of the text within the PDF file :

Data Sheet FEATURES 4 channels of low noise amplifiers (LNAs) followed by programmable gain amplifiers (PGAs) Minimum −3 dB bandwidth of 5 MHz Typical –3 dB bandwidth of 42.3 MHz Typical slew rate of 28 V/µs Differential input and output Gain of 18 dB to 36 dB in 6 dB steps Selectable low noise and low power modes Input referred noise of 4.5 nV/√Hz at 18.3 mW per channel Input referred noise of 3.8 nV/√Hz at 26.5 mW per channel Input referred noise of 3.6 nV/√Hz at 34.8 mW per channel Input referred noise of 3.4 nV/√Hz at 54.8 mW per channel Channel to channel gain matching of ±0.25 dB Absolute gain error of ±0.5 dB SPI programmable Power-down mode (SPI selectable) 3.1 V p-p differential output swing when using a 3.3 V supply 32-lead, 5 mm × 5 mm LFCSP package Specified fro [ ... ]

ADA8282 PDF Datasheet Download