LM3914V
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- Mfr.Part #
- LM3914V
- Manufacturer
- National Semiconductor
- Package / Case
- 20-LCC (J-Lead)
- Datasheet
- Download
- Description
- LED DRIVER, 10-SEGMENT, BIPOLAR,
- Stock
- 11,589
- In Stock ：
- 11,589
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- Manufacturer :
- National Semiconductor
- Product Category :
- Display Drivers
- Multiplexed Display Capability :
- No
- Packaging :
- Tube
- Number of Circuits :
- 1
- Number of Functions :
- 1
- ECCN Code :
- EAR99
- Base Part Number :
- LM3914
- Package / Case :
- 20-LCC (J-Lead)
- Mounting Type :
- Surface Mount
- Voltage - Supply :
- 3V~20V
- Terminal Position :
- QUAD
- Supply Voltage :
- 5V
- Number of Terminations :
- 20
- RoHS Status :
- Non-RoHS Compliant
- Power Dissipation :
- 1.365W
- JESD-609 Code :
- e0
- Output Voltage :
- 1.34V
- Additional Feature :
- SELECTABLE DOT MODE
- Peak Reflow Temperature (Cel) :
- 250
- Interface IC Type :
- LED DISPLAY DRIVER
- Mount :
- Surface Mount
- Radiation Hardening :
- No
- Pin Count :
- 20
- Nominal Supply Current :
- 9.2mA
- Max Power Dissipation :
- 1.365W
- Operating Supply Current :
- 6.1mA
- Number of Channels :
- 10
- Number of Segments :
- 10
- Lead Free :
- Contains Lead
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Display Type :
- LED, LCD, Vacuum Fluorescent (VF)
- Data Input Mode :
- Analog
- Width :
- 8.89mm
- Terminal Form :
- J BEND
- Height Seated (Max) :
- 4.57mm
- Display Mode :
- BAR GRAPH
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Moisture Sensitivity Level (MSL) :
- 2A (4 Weeks)
- Operating Temperature :
- 0°C~70°C
- Digits or Characters :
- 10 Steps
- Output Current :
- 30mA
- Configuration :
- Dot/Bar Display
- Max Supply Current :
- 9.2mA
- Number of Pins :
- 20
- Datasheets
- LM3914V
Display Drivers National Semiconductor LM3914V Overview
The LM3914V by National Semiconductor stands out as a robust LED driver specifically designed for driving 10-segment bar or dot displays. This component simplifies the visual representation of analog signals, which is crucial for real-time monitoring applications. The LM3914V excels in its ease of use, requiring minimal external components to create a linear scale LED display, which can be crucial for both time-sensitive and space-constrained designs. Its versatility and reliability make it an excellent choice for developers needing high-performance display solutions in industrial and consumer electronics.
LM3914V Features
The LM3914V LED driver is engineered with features that enhance its utility and efficiency in various applications. Key features include:
- Drives up to 10 LEDs in bar or dot display modes.
- Adjustable current output, allowing for control over the brightness of LEDs.
- Bipolar technology, ensuring stable performance across varying voltages and temperatures.
- Minimal external components needed, facilitating easier and compact design implementations.
- Wide operating voltage range, suitable for various electronic applications.
LM3914V Applications
- Battery Level Indicators: Utilizes the linear display capability to show the amount of charge left in battery-operated devices, enhancing user interface in portable electronics.
- Audio Equipment: Employs bar mode to provide real-time visualization of audio signal levels, improving user engagement and control in audio devices.
- Signal Strength Displays: Displays signal strength in communication equipment, crucial for maintaining effective operational standards.
- Industrial Measurement Instruments: Used to visually represent measurements like voltage or pressure, simplifying monitoring in industrial environments.
- Automotive Dashboards: Drives LED displays for fuel gauges, enhancing readability and reliability in automotive instruments.
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