LM3914N-1 mikroschema (linear voltmeter)

LM3914 Features

Analog Controlled LED Driver IC

Number of controllable LEDs: 10

Operating Voltage: 3V to 18V

Input Analog voltage range: 1.2V to 12V

LED sink current: 2mA to 30mA (programmable)

Both Dot/Bar modes are available

Can be cascaded to control up to 100 LEDs

Available in 18-pin DIP, PLCC package

It can drive LCDs, and LEDs otherwise vacuum fluorescents. The dot otherwise bot display mode can be selected by the user externally.

It can be expandable to up to 100 displays.