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LM397MFX from NS,National Semiconductor

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LM397MFX

Manufacturer: NS

Single General Purpose Voltage Comparator

Partnumber Manufacturer Quantity Availability
LM397MFX NS 218000 In Stock

Description and Introduction

Single General Purpose Voltage Comparator The LM397MFX is a single general-purpose voltage comparator manufactured by National Semiconductor (NS).  

**Specifications:**  
- **Supply Voltage Range:** 2V to 36V (single supply) or ±1V to ±18V (dual supply)  
- **Low Supply Current:** 400µA (typical)  
- **Input Offset Voltage:** 2mV (typical), 5mV (maximum)  
- **Response Time:** 1.3µs (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5  

**Descriptions & Features:**  
- Single voltage comparator with open-collector output  
- Compatible with TTL, CMOS, and MOS logic levels  
- Low input bias current: 25nA (typical)  
- Wide supply voltage range for flexibility in applications  
- Internal hysteresis for improved noise immunity  
- Designed for industrial, automotive, and consumer applications  

The LM397MFX is commonly used in level detection, oscillators, pulse generators, and analog-to-digital converters.  

(Source: National Semiconductor datasheet)

Application Scenarios & Design Considerations

Single General Purpose Voltage Comparator

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