The requested file:
https://pdf.datasheetcatalog.com/datasheet2/b/0dlj57rzsw2ix0tqgk0djxs28ufy.pdf
is the data sheet for the following electronic components:

National Semiconductor

#	Part Name	Description
1	LM1876T	Overture Audio Power Amplifier Series Dual 20-Watt Audio Power Amplifier with Mute and Standby Modes
2	LM1876TF	Overture Audio Power Amplifier Series Dual 20-Watt Audio Power Amplifier with Mute and Standby Modes

Select the part name and then you can download the datasheet in PDF format.