LM3915N-1
Category: PMIC - Display Drivers
Description: Dot/Bar Display Driver
Price range ($)
0.30688 4.49834
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LM3915N-1
LM3915N-1 has several brands around the world that may have alternate names for LM3915N-1 due to regional differences or acquisition. LM3915N-1 may also be known as the following names:
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Description
LM3915N-1
Stock:9999 |
National Semiconductor |
Dot/Bar Display Driver |
≥1: US $0.76720 US $0.69048 ≥5: US $0.57540 US $0.51786 ≥10: US $0.40278 US $0.36250 ≥20: US $0.38360 US $0.34524 ≥50: US $0.34524 US $0.31072 ≥100: US $0.33565 US $0.30208 ≥200: US $0.32606 US $0.29345 ≥500: US $0.31647 US $0.28482 ≥1000: US $0.30688 US $0.27619
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Inquiry
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LM3915N-1
Stock:98899 |
HLF 18+ |
IC DRIVER DOT BAR DISPLAY 18-DIP |
≥1: US $0.41910 US $0.37719
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Inquiry
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LM3915N-1
Stock:38317 |
National Semiconductor 86+ |
IC DRIVER DOT BAR DISPLAY 18-DIP |
≥1: US $0.78232 US $0.70409 ≥5: US $0.58674 US $0.52807 ≥10: US $0.41072 US $0.36965 ≥20: US $0.39116 US $0.35204 ≥50: US $0.35204 US $0.31684 ≥100: US $0.34227 US $0.30804 ≥200: US $0.33249 US $0.29924 ≥500: US $0.32271 US $0.29044 ≥1000: US $0.31293 US $0.28164
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Inquiry
|
LM3915N-1
Stock:510 |
National Semiconductor 10+ |
IC DRIVER DOT BAR DISPLAY 18-DIP |
≥1: US $1.63449 US $1.47104
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Inquiry
|
LM3915N-1
Stock:13 |
National Semiconductor 08+/15+ |
Dot/Bar Display Driver |
≥1: US $0.97790 US $0.88011
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Inquiry
|
LM3915N-1
Stock:7 |
National Semiconductor 0824+ |
Dot/Bar Display Driver |
≥1: US $4.49834 US $4.22844
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Inquiry
|
FEATURES
● 3 dB/step,30 dB Range
● Drives LEDs, LCDs, or Vacuum Fluorescents
● Bar or Dot Display Mode Externally Selectable by User
● Expandable to Displays of 90 dB
● Internal Voltage Reference from 1.2V to 12V
● Operates with Single supply of 3V to 25V
● Inputs Operate Down to Ground
● Output Current Programmable from 1mA to 30mA
● Input Withstands +35v without Damage or False Outputs
● outputs are current Regulated, Open Collectors
● Directly Drives TTL or CMOS
● The Internal 10-step Divider is Floating and can be Referenced to a Wide Range of Voltages
The LM3915 is Rated for Operation from 0℃ to +70℃. The LM3915N-1 is Available in an 18-lead PDIP Package.
DESCRIPTION
The LM3915 is a monolithic integrated circuit that senses analog voltage levels and drives ten LEDs, LCDs or vacuum fluorescent displays,providing a logarithmic 3dB/step analog display. One pin changes the display from a bar graph to a moving dot display. LED current drive is regulated and programmable,eliminating the need for current limiting resistors. The whole display system can operate from a single supply as low as 3v or as high as 25V.
The IC contains an adjustable voltage reference and an accurate ten-step voltage divider. The high-impedance input buffer accepts signals down to ground and up to within 1.5V of the positive supply. Further, it needs no protection against inputs of +35V. The input buffer drives 10 individual comparators referenced to the precision divider. Accuracy is typically better than 1dB.
The LlM3915's 3 dB/step display is suited for signals with wide dynamic range, such as audio level, power, light intensity or vibration. Audio applications include average or peak level indicators, power meters and RF signal strength meters. Replacing conventional meters with an LED bar graph results in a faster responding,more rugged display with high visibility that retains the ease of interpretation of an analog display.
The LM3915 is extremely easy to apply.A 1.2V full-scale meter requires only one resistor in addition to the ten LEDs. One more resistor programs the full-scale anywhere from 1.2V to 12v independent of supply voltage. LED brightness is easily controlled with a single pot.
The LM3915 is very versatile.The outputs can drive LCDs,vacuum fluorescents and incandescent bulbs as well as LEDs of any color. Multiple devices can be cascaded for a dot or bar mode display with a range of 60 or 90 dB.LM3915s can also be cascaded withLM3914s for a linear/log display or with LM3916s for an extended-range VU meter.
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Express:(FEDEX, UPS, DHL, TNT)Free shipping on first 0.5kg for orders over 200$,Overweight will be charged separately
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