LM3915N Datasheet Dot/Bar Display Driver

Manufacturer: National Semiconductor (now Texas Instruments)

LM3915N dot/bar display driver by National Semiconductor (now Texas Instruments) - Datasheet Preview

Datasheet Details

Part number	LM3915N
Manufacturer	National Semiconductor (now Texas Instruments)
File Size	602.42 KB
Description	Dot/Bar Display Driver
Download	LM3915N Download (PDF)

General 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.

One pin changes the display from a bar graph to a moving dot display.

LED current drive is regulated and programmable, eliminating the need for current limiting resistors.

Overview

LM3915 Dot/Bar Display Driver January 2000 LM3915 Dot/Bar Display Driver.

Key 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.

📁 Similar Datasheet

Brand Logo	Part Number	Description	Manufacturer
	LM3915N	Dot/Bar Display Driver	Texas Instruments
	LM3915	Dot/Bar Display Driver	Texas Instruments

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