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LM139J from 国半

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LM139J

Manufacturer: 国半

Low Power Low Offset Voltage Quad Comparator

Partnumber Manufacturer Quantity Availability
LM139J 国半 30 In Stock

Description and Introduction

Low Power Low Offset Voltage Quad Comparator The LM139J is a quad voltage comparator manufactured by National Semiconductor (国半).  

### **Specifications:**  
- **Supply Voltage Range:** 2V to 36V (single supply) or ±1V to ±18V (dual supply)  
- **Low Supply Current:** 0.8mA (typical)  
- **Low Input Bias Current:** 25nA (typical)  
- **Low Input Offset Current:** 5nA (typical)  
- **Input Offset Voltage:** 2mV (typical)  
- **Differential Input Voltage Range:** ±36V  
- **Output Saturation Voltage:** 250mV (typical at 4mA)  
- **Operating Temperature Range:** -25°C to +85°C  
- **Package Type:** 14-Pin DIP (Dual In-line Package)  

### **Descriptions:**  
The LM139J consists of four independent precision voltage comparators designed to operate from a single power supply over a wide voltage range. It features low input bias current and offset voltage, making it suitable for precision applications.  

### **Features:**  
- **Wide Supply Voltage Range:** Compatible with both single and dual power supplies.  
- **Low Power Consumption:** Ideal for battery-operated devices.  
- **High Gain:** Ensures accurate comparison even with small input differences.  
- **Open-Collector Outputs:** Allows flexible output configurations (wired-OR, driving loads, etc.).  
- **ESD Protection:** Improved reliability in harsh environments.  

This comparator is commonly used in industrial, automotive, and consumer electronics for threshold detection, analog-to-digital conversion, and signal conditioning.

Application Scenarios & Design Considerations

Low Power Low Offset Voltage Quad Comparator

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