LM3914N National Semiconductor, LM3914N Datasheet - Page 17

• Manufacturer Part Number: LM3914N
• Description: IC DOT/BAR GRAPH DISPLAY DRIVER
• Manufacturer: National Semiconductor

Specifications of LM3914N

• Display Type: LED, LCD, Vacuum Fluorescent
• Configuration: Dot/Bar Display
• Digits Or Characters: 10 Steps
• Current - Supply: 6.1mA
• Voltage - Supply: 3 V ~ 20 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 18-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Interface: -
• Other names: *LM3914N; LM3914

Application Hints
Other Applications
• “Slow” — fade bar or dot display (doubles resolution)
• 20-step meter with single pot brightness control
• 10-step (or multiples) programmer
• Multi-step or “staging” controller
• Combined controller and process deviation meter
• Direction and rate indicator (to add to DVMs)
• Exclamation point display for power saving
Non-Interacting Adjustments for Expanded Scale Meter (4.5V to 5V, Bar or Dot Mode)
(Continued)
Adjusting Linearity of Several Stacked Dividers
17
• Graduations can be added to dot displays. Dimly light
• Electronic “meter-relay” — display could be circle or semi-
• Moving “hole” display — indicator LED is dark, rest of bar
• Drives vacuum-fluorescent and LCDs using added pas-
every other LED using a resistor to ground
circle
lit
sive parts
00797017
00797016
www.national.com