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LM4140ACM-1.2 from NS,National Semiconductor

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15.625ms

LM4140ACM-1.2

Manufacturer: NS

Precision Micropower Low Dropout Voltage Reference

Partnumber Manufacturer Quantity Availability
LM4140ACM-1.2,LM4140ACM12 NS 1550 In Stock

Description and Introduction

Precision Micropower Low Dropout Voltage Reference The LM4140ACM-1.2 is a precision voltage reference manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 1.2V  
- **Initial Accuracy:** ±0.1%  
- **Temperature Coefficient (Tempco):** 3 ppm/°C (typical)  
- **Operating Current:** 45 µA (typical)  
- **Output Current:** 10 mA (maximum)  
- **Line Regulation:** 15 ppm/V (typical)  
- **Load Regulation:** 15 ppm/mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions:**  
The LM4140 is a high-precision, low-power voltage reference designed for applications requiring stable voltage references with minimal power consumption. It provides a fixed 1.2V output with excellent temperature stability and low noise.  

### **Features:**  
- **Low Power Consumption:** 45 µA typical operating current  
- **High Accuracy:** ±0.1% initial voltage tolerance  
- **Low Temperature Drift:** 3 ppm/°C typical  
- **Wide Operating Range:** -40°C to +125°C  
- **Small Package:** SOT-23-5 for space-constrained applications  
- **Low Noise:** Suitable for precision analog circuits  
- **Stable Performance:** Excellent line and load regulation  

This voltage reference is commonly used in data converters, power management systems, and precision measurement equipment.

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