This part is a kind of semiconductor called ADS1217.

Function of this product has 8-Channel/ 24-Bit ANALOG-TO-DIGITAL CONVERTER.

Manufacturers : Burr-Brown Corporation

Image and pinout :

Some of the text within the PDF file :

ADS1217 ADS 121 7 SBAS260B – MAY 2002 – REVISED OCTOBER 2004 8-Channel, 24-Bit ANALOG-TO-DIGITAL CONVERTER FEATURES q q q q q q q q q q q q 24 BITS NO MISSING CODES INL: 0.0012% of FSR (max) FULL-SCALE INPUT: ±2VREF PGA FROM 1 TO 128 22 BITS EFFECTIVE RESOLUTION (PGA = 1), 19 BITS (PGA = 128) SINGLE CYCLE SETTLING MODE PROGRAMMABLE DATA OUTPUT RATES UP TO 1kHz ON-CHIP 1.25V/2.5V REFERENCE ON-CHIP CALIBRATION SPI COMPATIBLE POWER SUPPLY: 2.7V to 5.25V < 1mW POWER CONSUMPTION, VDD = 3V DESCRIPTION The ADS1217 is a precision, wide dynamic range, deltasigma, Analog-to-Digital (A/D) converter with 24-bit resolution operating from 2.7V to 5.25V supplies. The delta-sigma, A/D converter provides up to 24 bits of no missing code performance and effective resolution of 22 bits. The eight inp [ ... ]

ADS1217 PDF Datasheet Download