{"product_id":"a108-national-semiconductor-lm3914n-1-dot-bar-display-driver-ic-10-segment-led-driver-18-pin-dip","title":"A108 National Semiconductor LM3914N-1 Dot\/Bar Display Driver IC, 10-Segment LED Driver, 18-Pin DIP","description":"\u003cp data-path-to-node=\"7\"\u003eThe \u003cb data-path-to-node=\"7\" data-index-in-node=\"4\"\u003eLM3914N-1\u003c\/b\u003e is a versatile analog-controlled LED driver that senses analog voltage levels and drives 10 LEDs, providing a linear analog display. It is widely famous for its ability to operate in either \u003cb data-path-to-node=\"7\" data-index-in-node=\"204\"\u003eDot mode\u003c\/b\u003e (single LED lit) or \u003cb data-path-to-node=\"7\" data-index-in-node=\"233\"\u003eBar mode\u003c\/b\u003e (a continuous bar of light), making it the industry standard for visual signal level indicators.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eKey Technical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"\u003eFunction:\u003c\/b\u003e Dot\/Bar Display Driver\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb data-path-to-node=\"9,1,0\" data-index-in-node=\"0\"\u003eOutput Channels:\u003c\/b\u003e Drives 10 LEDs, LCDs, or vacuum fluorescents\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cb data-path-to-node=\"9,2,0\" data-index-in-node=\"0\"\u003eDisplay Mode:\u003c\/b\u003e User-selectable Dot or Bar graph display\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,0\"\u003e\u003cb data-path-to-node=\"9,3,0\" data-index-in-node=\"0\"\u003eSupply Voltage:\u003c\/b\u003e Wide operating range from 3V to 25V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,4,0\"\u003e\u003cb data-path-to-node=\"9,4,0\" data-index-in-node=\"0\"\u003eInput Voltage:\u003c\/b\u003e Expandable to 100V with external components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,5,0\"\u003e\u003cb data-path-to-node=\"9,5,0\" data-index-in-node=\"0\"\u003ePackage Type:\u003c\/b\u003e 18-Pin PDIP (Plastic Dual In-Line Package)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,6,0\"\u003e\u003cb data-path-to-node=\"9,6,0\" data-index-in-node=\"0\"\u003eLED Current:\u003c\/b\u003e Programmable from 2mA to 30mA (no resistors required for LEDs)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eApplications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"11\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,0,0\"\u003e\u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003eAudio Equipment:\u003c\/b\u003e VU meters and signal strength indicators.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,1,0\"\u003e\u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003ePower Monitoring:\u003c\/b\u003e Battery level indicators (fuel gauges) for portable electronics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,2,0\"\u003e\u003cb data-path-to-node=\"11,2,0\" data-index-in-node=\"0\"\u003eIndustrial Sensing:\u003c\/b\u003e Visual readouts for temperature, pressure, or liquid levels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,3,0\"\u003e\u003cb data-path-to-node=\"11,3,0\" data-index-in-node=\"0\"\u003eHobbyist Projects:\u003c\/b\u003e DIY light shows and analog-to-visual interfaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"12\"\u003e\u003cb data-path-to-node=\"12\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"13\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,0,0\"\u003e\u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003eLinear Response:\u003c\/b\u003e Internal 10-step precision voltage divider.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,1,0\"\u003e\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eNo External Resistors:\u003c\/b\u003e LED current is regulated internally, simplifying circuit design.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,2,0\"\u003e\u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"0\"\u003eChaining Capability:\u003c\/b\u003e Multiple LM3914s can be cascaded for displays of 20 to 100 segments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,3,0\"\u003e\u003cb data-path-to-node=\"13,3,0\" data-index-in-node=\"0\"\u003eVersatility:\u003c\/b\u003e Works with single power supplies and can withstand high voltage on the outputs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SLVSALES","offers":[{"title":"Default Title","offer_id":45763765436602,"sku":null,"price":8.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/6377\/9258\/files\/Screenshot2026-04-09115932.png?v=1775716207","url":"https:\/\/www.slvsales.in\/products\/a108-national-semiconductor-lm3914n-1-dot-bar-display-driver-ic-10-segment-led-driver-18-pin-dip","provider":"SLVSALES","version":"1.0","type":"link"}