LM3915, LM3 Datasheet - National Semiconductor

LM3915, LM3, Dot/Bar Display Driver

LM3915 Dot/Bar Display Driver January 2000 LM3915 Dot/Bar Display Driver General .
The LM3915 is a monolithic integrated circuit that senses analog voltage levels and drives ten LEDs, LCDs or vacuum fluorescent displays, providing a.

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LM3-915.pdf

LM3915 Datasheet Preview — This datasheet PDF includes multiple part numbers: LM3915, LM3. Please refer to the document for exact specifications by model.

Datasheet Details

Part number:

LM3915, LM3

Manufacturer:

National Semiconductor

File Size:

602.42 KB

Description:

Dot/Bar Display Driver

Note:

This datasheet PDF includes multiple part numbers: LM3915, LM3.
Please refer to the document for exact specifications by model.

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

Applications

* include average or peak level indicators, power meters and RF signal strength meters. Replacing conventional meters with an LED bar graph results in a faster responding, more rugged display with high visibility that retains the ease of interpretation of an analog display. The LM3915 is extremely eas

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