This part is a kind of semiconductor called ADS1256IDB.

Function of this product has Very Low Noise/ 24-Bit Analog-to-Digital Converter.

Manufacturers : Burr-Brown Corporation

Image and pinout :

Some of the text within the PDF file :

ADS1255 ADS1256 SBAS288D − JUNE 2003 − REVISED AUGUST 2004 Very Low Noise, 24ĆBit AnalogĆtoĆDigital Converter FEATURES D 24 Bits, No Missing Codes D D D Data Output Rates to 30kSPS D Fast Channel Cycling − All Data Rates and PGA Settings Up to 23 Bits Noise-Free Resolution ±0.0010% Nonlinearity (max) DESCRIPTION The ADS1255 and ADS1256 are extremely low-noise, 24-bit analog-to-digital (A/D) converters. They provide complete high-resolution measurement solutions for the most demanding applications. The converter is comprised of a 4th-order, delta-sigma (∆Σ) modulator followed by a programmable digital filter. A flexible input multiplexer handles differential or single-ended signals and includes circuitry to verify the integrity of the external sensor connected to the inputs. [ ... ]

ADS1256IDB PDF Datasheet Download