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LM4040AIM3X-2.0 from NSC,National Semiconductor

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LM4040AIM3X-2.0

Manufacturer: NSC

Precision Micropower Shunt Voltage Reference

Partnumber Manufacturer Quantity Availability
LM4040AIM3X-2.0,LM4040AIM3X20 NSC 10000 In Stock

Description and Introduction

Precision Micropower Shunt Voltage Reference The LM4040AIM3X-2.0 is a precision voltage reference manufactured by National Semiconductor (NSC).  

**Specifications:**  
- **Output Voltage:** 2.0V  
- **Initial Accuracy:** ±0.1% (A-grade)  
- **Temperature Coefficient:** 50 ppm/°C (typical)  
- **Operating Current Range:** 60 µA to 15 mA  
- **Output Voltage Tolerance:** ±0.5% (B-grade), ±1% (C-grade)  
- **Package Type:** SOT-23 (3-Lead)  
- **Operating Temperature Range:** -40°C to +85°C  

**Descriptions:**  
- The LM4040 is a shunt voltage reference with fixed reverse breakdown voltages.  
- It is available in multiple voltage options (1.225V, 2.048V, 2.5V, 3V, 4.096V, 5V).  
- The device requires no external capacitor for stability.  

**Features:**  
- Low output noise (35 µVrms, 10Hz to 10kHz)  
- Low dynamic impedance (0.5 Ω typical)  
- Wide operating current range  
- Stable with capacitive loads  
- Available in A, B, C, and D grades for different accuracy levels  

(Source: National Semiconductor datasheet)

Application Scenarios & Design Considerations

Precision Micropower Shunt Voltage Reference
Partnumber Manufacturer Quantity Availability
LM4040AIM3X-2.0,LM4040AIM3X20 NS 218000 In Stock

Description and Introduction

Precision Micropower Shunt Voltage Reference The LM4040AIM3X-2.0 is a precision voltage reference manufactured by Texas Instruments (NS).  

### **Specifications:**  
- **Output Voltage:** 2.0V  
- **Tolerance:** ±0.1% (A-grade)  
- **Package:** SOT-23 (3-pin)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Output Current:** 15mA (max)  
- **Line Regulation:** 0.2mV (typical)  
- **Load Regulation:** 0.1mV (typical)  
- **Long-Term Stability:** 20ppm/1000hr (typical)  
- **Low Noise:** 35µVp-p (typical)  

### **Descriptions:**  
The LM4040AIM3X-2.0 is a high-precision, two-terminal shunt voltage reference with a fixed 2.0V output. It offers excellent temperature stability and low dynamic impedance, making it suitable for precision applications.  

### **Features:**  
- **High Accuracy:** ±0.1% initial tolerance  
- **Low Temperature Coefficient:** 100ppm/°C (max)  
- **Wide Operating Current Range:** 60µA to 15mA  
- **Low Output Noise**  
- **Stable with Capacitive Loads**  
- **No External Capacitor Required**  
- **AEC-Q100 Qualified for Automotive Applications**  

This device is commonly used in ADCs, DACs, power supplies, and battery-powered systems requiring stable voltage references.

Application Scenarios & Design Considerations

Precision Micropower Shunt Voltage Reference

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