LM3915 – Dot/Bar Display Driver IC with Logarithmic Scale
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0 available
Categories: Operational Amplifier
Overview
Description
🔧 Key Features:
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Type: LED dot/bar display driver
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Number of Outputs: 10 LEDs (dot or bar mode)
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Input Voltage Range: Typically 1.2V to 12V
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Operating Voltage: 3V to 25V
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Current Drive: Adjustable LED current up to 30mA per LED
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Display Modes: Dot mode (one LED lit) or bar mode (cumulative LEDs lit)
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Logarithmic Scale: 3 dB per step, matching audio signal perception
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Package: 18-pin DIP and SOIC (surface mount)
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Operating Temperature Range: -40°C to +85°C
⚙️ Typical Applications:
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Audio level meters and VU meters
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Signal strength indicators
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Battery level displays
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Power supply monitors
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Sensor output displays
📦 Package Includes:
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1 x LM3915 Dot/Bar Display Driver IC – DIP-18 Package
✅ Why Choose the LM3915?
The LM3915 provides a clear and intuitive visual representation of logarithmic signals, making it perfect for audio and other signal-level displays. Its adjustable current and flexible display modes make it a favorite for both professional and hobbyist applications.