This part is a kind of semiconductor called ADS7809.

Function of this product has 16-Bit 10ms Serial CMOS Sampling ANALOG-to-DIGITAL CONVERTER.

Manufacturers : Burr-Brown Corporation

Image and pinout :

Some of the text within the PDF file :

® ADS 7809 ADS7809 AD 9 S780 DEMO BOARD AVAILABLE 16-Bit 10µs Serial CMOS Sampling ANALOG-to-DIGITAL CONVERTER FEATURES q 100kHz SAMPLING RATE q 86dB SINAD WITH 20kHz INPUT q ±2 LSB INL q DNL: 16 BITS “No Missing Codes” q SIX SPECIFIED INPUT RANGES q SERIAL OUTPUT q SINGLE +5V SUPPLY OPERATION q PIN-COMPATIBLE WITH 12-BIT ADS7808 q USES INTERNAL OR EXTERNAL REFERENCE q 100mW MAX POWER DISSIPATION q 20-PIN 0.3" PLASTIC DIP AND SOIC q SIMPLE DSP INTERFACE DESCRIPTION The ADS7809 is a complete 16-bit sampling analogto-digital using state-of-the-art CMOS structures. It contains a 16-bit capacitor-based SAR A/D with S/H, reference, clock, and a serial data interface. Data can be output using the internal clock, or can be synchronized to an external data clock. The ADS7809 also provid [ ... ]

ADS7809 PDF Datasheet Download