LM3914 - Dot/Bar Display Driver

Product Overview

National Semiconductor

Part number	LM3914
Manufacturer	National Semiconductor
File Size	365.86 KB
Description	Dot/Bar Display Driver
Datasheet	LM3914 Datasheet
Additional preview pages of the LM3914 datasheet.

The LM3914 is a monolithic integrated circuit that senses analog voltage levels and drives 10 LEDs, providing a linear analog display.

n n n n n n n n n n Drives LEDs, LCDs or vacuum fluorescents Bar or dot display mode externally selectable by user Expandable to displays of 100 steps Internal voltage reference from 1.2V to 12V Operates with single supply of less than 3V Inputs operate down to ground Output current programmable from 2 mA to 30 mA No multiplex switching or interaction between outputs Input withstands ± 35V without damage or false outputs LED driver outputs are current regulated, open-collectors n Outputs can int.

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Published: Mar 22, 2005 |