This part is a kind of semiconductor called WS7107CPL.

Function of this product has 3 Digit LCD/LED Display A/D Converters.

Manufacturers : Wing Shing Computer Components

Image and pinout :

Some of the text within the PDF file :

3 1/2Digit LCD/LED Display A/D Converters WS7106 / WS7107 Features • Guaranteed Zero Reading for 0V Input on All Scales • True Polarity at Zero for Precise Null Detection • True Differential Input and Reference, Direct Display Drive - LCD WS7106, LED WS7107 • On Chip Clock and Reference Description The WS7106 and WS7107 are high performance, low power, 31/2 digit A/D converters. Included are seven segment decoders, display drivers, a reference, and a clock. The WS7106 is designed to interface with a liquid crystal display (LCD) and includes a multiplexed backplane drive; the WS 7107 will directly drive an instrument size light emitting diode (LED) display. • Low Noise - Less Than 15 µVP-P • No Additional Active Circuits Required • Low Power Dissipation - Typically Less T [ ... ]

WS7107CPL PDF Datasheet Download