This part is a kind of semiconductor called UA1458.

Function of this product has (UA1458 / UA1558) Dual Internally Compensated Operational Amplifiers.

Manufacturers : Fairchild Semiconductor

Image and pinout :

Some of the text within the PDF file :

DataSheet 4 U .com www.DataSheet4U com DataSheet 4 U .com www.DataSheet4U com DataSheet 4 U .com www.DataSheet4U com DataSheet 4 U .com www.DataSheet4U com DataSheet 4 U .com www.DataSheet4U com DataSheet 4 U .com www.DataSheet4U com [ ... ]

UA1458 PDF Datasheet Download