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LM4040A20IDBZR from TI,Texas Instruments

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LM4040A20IDBZR

Manufacturer: TI

2.048-V Precision Micropower Shunt Voltage Reference, 0.1% accuracy 3-SOT-23 -40 to 85

Partnumber Manufacturer Quantity Availability
LM4040A20IDBZR TI 168000 In Stock

Description and Introduction

2.048-V Precision Micropower Shunt Voltage Reference, 0.1% accuracy 3-SOT-23 -40 to 85 The LM4040A20IDBZR is a precision voltage reference manufactured by Texas Instruments (TI). Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Output Voltage:** 2.048V (fixed)  
- **Initial Accuracy:** ±0.1% (A-grade)  
- **Temperature Coefficient (Tempco):** 50 ppm/°C (max)  
- **Operating Current Range:** 60 µA to 15 mA  
- **Package Type:** SOT-23 (DBZ)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Long-Term Stability:** 20 ppm/1000 hrs (typical)  
- **Line Regulation:** 0.05 mV/V (typical)  
- **Load Regulation:** 0.1 mV/mA (typical)  

### **Descriptions:**  
- The LM4040 is a precision two-terminal shunt voltage reference.  
- It is available in fixed reverse breakdown voltages of 2.048V (LM4040A20).  
- Designed for space-critical applications due to its small SOT-23 package.  

### **Features:**  
- **Low Output Noise:** 35 µVrms (typical)  
- **Wide Operating Current Range:** 60 µA to 15 mA  
- **No Output Capacitor Required** for stability  
- **AEC-Q100 Qualified** for automotive applications  
- **Reverse Breakdown Voltage Options:** 2.048V (A20 variant)  
- **Low Dynamic Impedance:** 0.5 Ω (typical)  

This device is commonly used in precision analog circuits, ADCs, DACs, and power management systems.

Application Scenarios & Design Considerations

2.048-V Precision Micropower Shunt Voltage Reference, 0.1% accuracy 3-SOT-23 -40 to 85

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