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LM339AD

Quad Single Supply Comparators

Partnumber Manufacturer Quantity Availability
LM339AD 5 In Stock

Description and Introduction

Quad Single Supply Comparators The LM339AD is a quad voltage comparator manufactured by Texas Instruments. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
Texas Instruments  

### **Description:**  
The LM339AD is a quad independent precision voltage comparator designed to operate from a single power supply over a wide voltage range. It is capable of comparing voltages and providing a digital output indicating which input is higher.  

### **Key Features:**  
- **Number of Channels:** 4 (Quad)  
- **Supply Voltage Range:**  
  - Single Supply: 2V to 36V  
  - Dual Supply: ±1V to ±18V  
- **Low Input Bias Current:** 25nA (Typical)  
- **Low Input Offset Current:** 5nA (Typical)  
- **Low Input Offset Voltage:** 2mV (Typical)  
- **Response Time:** 1.3μs (Typical)  
- **Output Type:** Open Collector (allows wired-OR connections)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** SOIC-14  

### **Applications:**  
- Voltage monitoring  
- Level shifting  
- Oscillators  
- Analog-to-digital converters  
- Battery-powered systems  

### **Additional Notes:**  
- Compatible with TTL, DTL, ECL, MOS, and CMOS logic levels.  
- Low power consumption compared to other comparators.  
- Designed for industrial, automotive, and consumer applications.  

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

Application Scenarios & Design Considerations

Quad Single Supply Comparators

Alternative Part Number

  • LM339N --: Same quad comparator family with identical electrical characteristics, DIP package instead of SOIC, widely available and pin-compatible in function.
  • LM2901DR --: Quad differential comparator with similar open-collector output and wide supply range, direct functional replacement in many applications.
  • LM339MX --: Quad comparator from the same industry-standard LM339 series, offered by an alternate manufacturer for supply-chain flexibility.

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