LM3914 IC

LM3914: A Versatile 10-Segment Analog Display Driver

The LM3914 is a precision integrated circuit designed to drive 10 LEDs, providing a clear and informative analog display. Its versatility, accuracy, and low power consumption make it a popular choice for various applications.

Key Features:

• Adjustable Display Mode: Allows you to select between bar graph or dot display modes to suit your specific needs.
• Expandable Display: Can be easily expanded to drive up to 100 LEDs for larger displays.
• Internal Voltage Reference: Includes a built-in voltage reference for accurate display calibration.
• Low Power Consumption: Operates with a single supply voltage of less than 3V, making it suitable for battery-powered or energy-efficient systems.
• Current-Regulated Outputs: Provides regulated current to the LEDs, ensuring consistent brightness and reducing the need for external resistors.
• Versatile Output Interface: Compatible with TTL, CMOS, and other logic families.

Applications:

• Audio Level Indicators: Displays audio signal levels in a visually intuitive manner.
• Battery Level Indicators: Indicates the remaining battery charge.
• Temperature Gauges: Displays temperature readings in a clear and easy-to-understand format.
• Light Meters: Used in light meters to measure and display light intensity.
• Other Analog Indicators: Suitable for various other applications requiring analog indication.

Specifications:

• Number of LEDs: 10
• Display Mode: Bar graph or dot display
• Voltage Reference: Internal voltage reference
• Supply Voltage: Less than 3V
• Output Type: Current-regulated, open-collector
• Package: DIP-16