This part is a kind of semiconductor called ADS1211P.

Function of this product has 24-Bit ANALOG-TO-DIGITAL CONVERTER.

Manufacturers : Burr-Brown Corporation

Image and pinout :

Some of the text within the PDF file :

® ADS 121 1 ADS 1210 ADS 121 0 ADS1210 ADS1211 ADS 1211 ADS 121 1 24-Bit ANALOG-TO-DIGITAL CONVERTER FEATURES q DELTA-SIGMA A/D CONVERTER q 23 BITS EFFECTIVE RESOLUTION AT 10Hz AND 20 BITS AT 1000Hz q DIFFERENTIAL INPUTS q PROGRAMMABLE GAIN AMPLIFIER q FLEXIBLE SPI COMPATIBLE SSI INTERFACE WITH 2-WIRE MODE q PROGRAMMABLE CUT-OFF FREQUENCY UP TO 15.6kHz q INTERNAL/EXTERNAL REFERENCE q ON CHIP SELF-CALIBRATION q ADS1211 INCLUDES 4 CHANNEL MUX DESCRIPTION The ADS1210 and ADS1211 are precision, wide dynamic range, delta-sigma analog-to-digital converters with 24-bit resolution operating from a single +5V supply. The differential inputs are ideal for direct connection to transducers or low level voltage signals. The delta-sigma architecture is used for wide dynamic range and to gu [ ... ]

ADS1211P PDF Datasheet Download