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LM3915

Dot/Bar Display Driver

LM3915 Features

* n n n n n n n n n n n n 3 dB/step, 30 dB range Drives LEDs, LCDs, or vacuum fluorescents Bar or dot display mode externally selectable by user Expandable to displays of 90 dB Internal voltage reference from 1.2V to 12V Operates with single supply of 3V to 25V Inputs operate down to ground Output cur

LM3915 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 program.

LM3915 Datasheet (602.42 KB)

Preview of LM3915 PDF

Datasheet Details

Part number:

LM3915

Manufacturer:

National Semiconductor

File Size:

602.42 KB

Description:

Dot/bar display driver.

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TAGS

LM3915 Dot Bar Display Driver National Semiconductor

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