This part is a kind of semiconductor called AD7190.

Function of this product has 4.8 kHz Ultra-Low Noise 24-Bit Sigma-Delta ADC.

Manufacturers : Analog Devices

Image and pinout :

Some of the text within the PDF file :

4.8 kHz Ultra-Low Noise 24-Bit Sigma-Delta ADC with PGA Preliminary Technical Data FEATURES RMS Noise: 7 nV @ 4.7 Hz (gain = 128) 16.5 noise free bits @ 2.4 kHz (gain = 128) Up to 23 noise free bits (gain = 1) Offset drift: 5 nV/°C Gain drift: 2 ppm/°C Specified drift over time Programmable gain (1 – 128) Update rate: 4.7 Hz to 4.8 kHz Internal or external clock Simultaneous 50 Hz/60 Hz rejection Four general purpose digital outputs Power supply: 3 V to 5.25 V Current: 6 mA Temperature range: –40°C to +105°C PLC/DCS Analog Input Modules Data Acquisition Medical and Scientific instrumentation AD7190 GENERAL DESCRIPTION The AD7190 is a low noise, complete analog front end for high precision measurement applications. It contains a low noise, 24bit ∑-∆ ADC. [ ... ]

AD7190 PDF Datasheet Download