LM3915N - Dot/Bar Display Driver

Product Overview

National Semiconductor

Datasheet Details

Part number	LM3915N
Manufacturer	National Semiconductor
File Size	602.42 KB
Description	Dot/Bar Display Driver
Datasheet	LM3915N Datasheet
Additional preview pages of the LM3915N datasheet.

Product details

Description

The LM3915 is a monolithic integrated circuit that senses analog voltage levels and drives ten LEDs, LCDs or vacuum fluorescent displays, providing a logarithmic 3 dB/step analog display.

Features

n 3 dB/step, 30 dB range n Drives LEDs, LCDs, or vacuum fluorescents n Bar or dot display mode externally selectable by user n Expandable to displays of 90 dB n Internal voltage reference from 1.2V to 12V n Operates with single supply of 3V to 25V n Inputs operate down to ground n Output current programmable from 1 mA to 30 mA n Input withstands ±35V without damage or false outputs n Outputs are current regulated, open collectors n Directly drives TTL or CMOS n The internal 10-step divider is fl.

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Published: Dec 19, 2020 |