This part is a kind of semiconductor called AD7710.

Function of this product has Signal Conditioning ADC.

Manufacturers : Analog Devices

Image and pinout :

Some of the text within the PDF file :

a FEATURES Charge Balancing ADC 24 Bits No Missing Codes ؎ 0.0015% Nonlinearity Two-Channel Programmable Gain Front End Gains from 1 to 128 Differential Inputs Low-Pass Filter with Programmable Filter Cutoffs Ability to Read/Write Calibration Coefficients Bidirectional Microcontroller Serial Interface Internal/External Reference Option Single or Dual Supply Operation Low Power (25 mW typ) with Power-Down Mode (7 mW typ) APPLICATIONS Weigh Scales Thermocouples Process Control Smart Transmitters Chromatography GENERAL DESCRIPTION AVDD AVDD Signal Conditioning ADC AD7710* FUNCTIONAL BLOCK DIAGRAM DVDD REF REF IN (–) IN (+) VBIAS REF OUT 4.5␮A 2.5V REFERENCE CHARGE-BALANCING A/D CONVERTER AIN1(+) AIN1(–) AIN2(+) AIN2(–) AVDD 20␮A IOUT M U X PGA A = 1 – 128 AUTO-ZEROED MODULAT [ ... ]

AD7710 PDF Datasheet Download