This part is a kind of semiconductor called ADC0800.

Function of this product has ADC0800 8-Bit A/D Converter.

Manufacturers : National Semiconductor

Image and pinout :

Some of the text within the PDF file :

ADC0800 8-Bit A D Converter February 1995 ADC0800 8-Bit A D Converter General Description The ADC0800 is an 8-bit monolithic A D converter using Pchannel ion-implanted MOS technology It contains a high input impedance comparator 256 series resistors and analog switches control logic and output latches Conversion is performed using a successive approximation technique where the unknown analog voltage is compared to the resistor tie points using analog switches When the appropriate tie point voltage matches the unknown voltage conversion is complete and the digital outputs contain an 8-bit complementary binary word corresponding to the unknown The binary output is TRI-STATE to permit bussing on common data lines The ADC0800PD is specified over b55 C to a 125 C and the ADC0800PCD is specifi [ ... ]

ADC0800 PDF Datasheet Download