LM3914V/NOPB National Semiconductor, LM3914V/NOPB Datasheet - Page 17

• Manufacturer Part Number: LM3914V/NOPB
• Description: IC DRIVER DOT BAR DISPLAY 20PLCC
• Manufacturer: National Semiconductor

Specifications of LM3914V/NOPB

• 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: Surface Mount
• Package / Case: 20-PLCC
• Led Driver Application: Bar-Graph Meter, Expanded Scale Meter
• No. Of Outputs: 10
• Output Current: 30mA
• Output Voltage: 1.34V
• Input Voltage: 3V To 15V
• Dimming Control Type: Analog
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Interface: -
• Lead Free Status / Rohs Status: RoHS Compliant part
• Other names: *LM3914V; LM3914V

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
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