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LM4040DIZ-2.5 from National,National Semiconductor

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15.625ms

LM4040DIZ-2.5

Manufacturer: National

Precision Micropower Shunt Voltage Reference

Partnumber Manufacturer Quantity Availability
LM4040DIZ-2.5,LM4040DIZ25 National 14550 In Stock

Description and Introduction

Precision Micropower Shunt Voltage Reference The LM4040DIZ-2.5 is a precision voltage reference manufactured by National Semiconductor (now part of Texas Instruments). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 2.5V  
- **Initial Accuracy:** ±0.1%, ±0.2%, or ±0.5% (depending on grade)  
- **Temperature Coefficient:** 20ppm/°C (typical)  
- **Operating Current Range:** 60µA to 15mA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** TO-92 (3-pin)  
- **Output Noise Voltage:** 20µVp-p (typical)  
- **Line Regulation:** 0.2mV (typical)  
- **Load Regulation:** 0.1mV (typical)  

### **Descriptions:**
- The LM4040DIZ-2.5 is a shunt-mode voltage reference, meaning it requires an external resistor to set the operating current.  
- It is designed for precision applications such as data converters, power supplies, and instrumentation.  
- Available in multiple grades (A, B, C) with varying accuracy levels.  

### **Features:**
- **Low Dropout Operation:** Works with minimal headroom voltage.  
- **Wide Operating Current Range:** 60µA to 15mA.  
- **Low Output Noise:** Suitable for noise-sensitive applications.  
- **Stable with Capacitive Loads:** No external capacitor required for stability.  
- **Reverse Breakdown Protection:** Protects against accidental reverse bias.  

This device is commonly used in precision analog circuits where a stable 2.5V reference is needed.

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