- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for LM3911N
- Part Number LM3911N
- Manufacturer Texas Instruments
- Pin Count 8
- Part Category Integrated Circuit
- Package Category Dual-In-Line Packages
- Footprint Name Dual-In-Line Packages - DS75176BN
- Released Date Oct 16, 2021
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
LM3911N Details
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Manufacturer Part Number:
LM3911N
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Rohs Code:
No
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Part Life Cycle Code:
Obsolete
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Package Description:
DIP8,.3
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Reach Compliance Code:
Unknown
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Manufacturer:
Texas Instruments
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YTEOL:
0
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Accuracy-Max (Cel):
10 Cel
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Body Breadth:
6.35 mm
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Body Height:
4.38 mm
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Body Length or Diameter:
9.81 mm
LM3911N Frequently Asked Questions (FAQs)
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R1 and R2 are used to set the full-scale voltage of the bar graph display. R1 sets the voltage at which the first LED turns on, and R2 sets the voltage at which the last LED turns on.
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The values of R1 and R2 depend on the desired full-scale voltage and the voltage range of the LEDs. A good starting point is to choose R1 = 1 kΩ and R2 = 2 kΩ, and then adjust them based on the specific application.
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C1 is a decoupling capacitor that filters out noise and ripple in the power supply voltage. It is recommended to use a 0.1 μF to 1 μF capacitor.
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Yes, the LM3911N can be used with a single power supply. However, it is recommended to use a dual power supply (±VCC) for optimal performance.
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The LM3911N can be interfaced with a microcontroller by connecting the output of the microcontroller to the input of the LM3911N. The microcontroller can provide a voltage output that corresponds to the desired LED display.
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LM3911N Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.