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LM4051CEM3X-1.2 from NATIONAL,National Semiconductor

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LM4051CEM3X-1.2

Manufacturer: NATIONAL

Precision Micropower Shunt Voltage Reference

Partnumber Manufacturer Quantity Availability
LM4051CEM3X-1.2,LM4051CEM3X12 NATIONAL 6000 In Stock

Description and Introduction

Precision Micropower Shunt Voltage Reference The LM4051CEM3X-1.2 is a precision voltage reference manufactured by **National Semiconductor** (now part of Texas Instruments). Below are the key specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Output Voltage:** 1.2V  
- **Initial Accuracy:** ±0.1% (max)  
- **Temperature Coefficient:** 20 ppm/°C (typ)  
- **Operating Current Range:** 45 µA to 15 mA  
- **Output Current Capability:** 15 mA  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23 (3-pin)  

### **Descriptions:**  
- The LM4051CEM3X-1.2 is a **shunt-mode voltage reference**, meaning it requires an external resistor to set the operating current.  
- It is designed for **high precision** and **low power** applications.  
- The device is **laser-trimmed** for tight voltage tolerance and low temperature drift.  

### **Features:**  
- **Low Dropout Voltage:** Operates with as little as 1V above the reference voltage.  
- **Wide Operating Current Range:** 45 µA to 15 mA.  
- **Low Noise:** Suitable for precision analog and digital circuits.  
- **Stable with Capacitive Loads:** No external capacitor required for stability.  
- **Reverse Breakdown Protection:** Protects against accidental reverse bias.  

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

Would you like additional details on any specific parameter?

Application Scenarios & Design Considerations

Precision Micropower Shunt Voltage Reference
Partnumber Manufacturer Quantity Availability
LM4051CEM3X-1.2,LM4051CEM3X12 NS 3500 In Stock

Description and Introduction

Precision Micropower Shunt Voltage Reference The LM4051CEM3X-1.2 is a precision voltage reference manufactured by NS (National Semiconductor).  

### **Specifications:**  
- **Output Voltage:** 1.2V  
- **Tolerance:** ±0.5%  
- **Temperature Coefficient:** 50 ppm/°C (typical)  
- **Operating Current Range:** 45 µA to 15 mA  
- **Package:** SOT-23 (3-Lead)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Line Regulation:** 0.05% (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Long-Term Stability:** 20 ppm/1000 hours (typical)  

### **Descriptions:**  
- The LM4051 is a precision bandgap voltage reference with low power consumption.  
- It provides a stable 1.2V output with high accuracy and low noise.  
- Designed for applications requiring a stable reference voltage in portable and battery-powered systems.  

### **Features:**  
- **Low Dropout Voltage:** Operates with minimal headroom.  
- **Low Quiescent Current:** Ideal for battery-powered applications.  
- **Wide Operating Current Range:** Supports a broad range of loads.  
- **No External Capacitor Required:** Stable without additional components.  
- **Reverse Breakdown Protection:** Protects against reverse bias conditions.  
- **AEC-Q100 Qualified:** Suitable for automotive applications.  

This part is commonly used in precision analog circuits, data converters, and power management systems.

Application Scenarios & Design Considerations

Precision Micropower Shunt Voltage Reference
Partnumber Manufacturer Quantity Availability
LM4051CEM3X-1.2,LM4051CEM3X12 NAS 6000 In Stock

Description and Introduction

Precision Micropower Shunt Voltage Reference The LM4051CEM3X-1.2 is a precision voltage reference manufactured by Texas Instruments (NAS).  

### **Specifications:**  
- **Output Voltage:** 1.2V  
- **Initial Accuracy:** ±0.1%  
- **Temperature Coefficient:** 20 ppm/°C (max)  
- **Operating Current Range:** 45 µA to 15 mA  
- **Output Current:** 15 mA (max)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23 (3-pin)  

### **Descriptions:**  
- The LM4051 is a shunt voltage reference with high accuracy and low power consumption.  
- It is designed for precision applications requiring stable voltage references.  

### **Features:**  
- Low dropout operation  
- Low noise  
- Stable with capacitive loads  
- Reverse breakdown voltage tolerance  
- AEC-Q100 qualified for automotive applications  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Precision Micropower Shunt Voltage Reference

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