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LM3914N-1 from NS,National Semiconductor

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LM3914N-1

Manufacturer: NS

Dot/Bar Display Driver

Partnumber Manufacturer Quantity Availability
LM3914N-1,LM3914N1 NS 20467 In Stock

Description and Introduction

Dot/Bar Display Driver The LM3914N-1 is a monolithic integrated circuit manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** National Semiconductor (NS)  
- **Type:** LED Driver (Linear)  
- **Function:** Dot/Bar Display Driver  
- **Number of Outputs:** 10  
- **Output Type:** Open Collector  
- **Supply Voltage Range:** 3V to 25V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** PDIP-18  
- **Reference Voltage Range:** Adjustable (1.2V to 12V)  

### **Descriptions:**
- The LM3914N-1 is designed to drive LEDs in dot or bar display modes.  
- It senses analog voltage levels and drives 10 LEDs linearly, providing a visual representation of the input signal.  
- The device includes an adjustable internal voltage reference and can operate from a wide supply voltage range.  

### **Features:**
- **Linear LED Display:** Provides a linear scale for accurate representation of analog signals.  
- **Dot/Bar Mode Selectable:** Can be configured for either dot or bar display mode.  
- **Low Standby Current:** Typically 6mA when all LEDs are off.  
- **Internal Voltage Reference:** Adjustable from 1.2V to 12V.  
- **Wide Supply Voltage Range:** Operates from 3V to 25V.  
- **Open Collector Outputs:** Allows flexible LED drive configurations.  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Dot/Bar Display Driver

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