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LM2917N from NSC,National Semiconductor

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LM2917N

Manufacturer: NSC

Frequency to Voltage Converter

Partnumber Manufacturer Quantity Availability
LM2917N NSC 275 In Stock

Description and Introduction

Frequency to Voltage Converter The LM2917N is a frequency-to-voltage converter manufactured by National Semiconductor (NSC). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage Range:** 12V to 24V (single supply)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Frequency Range:** 0Hz to 10kHz (typical)  
- **Output Voltage Range:** Adjustable based on external components  
- **Quiescent Current:** 6mA (typical)  
- **Output Drive Capability:** Up to 50mA  
- **Package Type:** 8-pin DIP (Dual In-line Package)  

### **Descriptions:**
- The LM2917N is a monolithic frequency-to-voltage converter with a built-in op-amp comparator.  
- It is designed to convert an AC or digital input signal frequency into a proportional DC output voltage.  
- The device includes a charge pump for frequency doubling, improving low-frequency accuracy.  

### **Features:**
- **Frequency Doubler:** Enhances low-frequency operation.  
- **Built-in Zener Regulator:** Provides stable voltage reference.  
- **High Output Drive:** Capable of driving loads up to 50mA.  
- **Adjustable Gain:** Output voltage can be scaled using external resistors and capacitors.  
- **Wide Supply Range:** Operates from 12V to 24V, making it suitable for automotive and industrial applications.  
- **Open-Collector Output:** Allows flexible interfacing with other logic circuits.  

This information is based on the manufacturer's datasheet for the LM2917N.

Application Scenarios & Design Considerations

Frequency to Voltage Converter

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