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LM4040EEM3-2.5 from NATIONAL,National Semiconductor

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LM4040EEM3-2.5

Manufacturer: NATIONAL

Precision Micropower Shunt Voltage Reference

Partnumber Manufacturer Quantity Availability
LM4040EEM3-2.5,LM4040EEM325 NATIONAL 6400 In Stock

Description and Introduction

Precision Micropower Shunt Voltage Reference The LM4040EEM3-2.5 is a precision voltage reference manufactured by **National Semiconductor** (now part of Texas Instruments).  

### **Specifications:**  
- **Output Voltage:** 2.5V  
- **Initial Accuracy:** ±0.1% (A grade)  
- **Temperature Coefficient:** 50 ppm/°C (max)  
- **Operating Current Range:** 60 µA to 15 mA  
- **Package:** SOT-23 (3-Lead)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Line Regulation:** 0.05% (typ)  
- **Load Regulation:** 0.1% (typ)  

### **Descriptions:**  
- The LM4040 is a shunt voltage reference with fixed reverse breakdown voltages.  
- It is designed for precision applications requiring stable voltage references.  
- Available in multiple voltage options (1.225V, 2.048V, 2.5V, 3V, 4.096V, 5V).  

### **Features:**  
- Low output noise  
- Low temperature drift  
- No external capacitor required for stability  
- Reverse breakdown voltage options available  
- Extended industrial temperature range  

This device is commonly used in **ADCs, DACs, power supplies, and battery-powered equipment** where a stable voltage reference is critical.

Application Scenarios & Design Considerations

Precision Micropower Shunt Voltage Reference

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