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LM3915 from RTC

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LM3915

Manufacturer: RTC

Dot/Bar Display Driver

Partnumber Manufacturer Quantity Availability
LM3915 RTC 200 In Stock

Description and Introduction

Dot/Bar Display Driver The LM3915 is a monolithic integrated circuit manufactured by **RTC (Radio Technology Corporation)**.  

### **Specifications:**  
- **Function**: LED driver (1-LED dot/bar display driver)  
- **Input Voltage Range**: 3V to 25V  
- **Output Current**: Adjustable (up to 30mA per LED)  
- **Number of Outputs**: 10 (for driving 10 LEDs)  
- **Reference Voltage**: Adjustable (internal or external)  
- **Operating Temperature Range**: 0°C to +70°C  
- **Package**: 18-pin DIP or SOIC  

### **Descriptions:**  
- The LM3915 is designed to drive LEDs in **dot or bar mode**, providing a linear analog display.  
- It includes an internal voltage divider and precision comparators for accurate level indication.  
- Suitable for **battery voltage monitoring, audio level meters, and other analog display applications**.  

### **Features:**  
- **Linear LED Driver**: Provides proportional brightness scaling.  
- **Adjustable Brightness**: External resistor controls LED current.  
- **Dot or Bar Mode**: Selectable via a single pin.  
- **Low Power Consumption**: Operates efficiently over a wide voltage range.  
- **Internal Voltage Reference**: Ensures stable operation.  

This information is based on the RTC datasheet for the LM3915 IC.

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