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LM45B from NSC,National Semiconductor

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LM45B

Manufacturer: NSC

SOT-23 Precision Centigrade Temperature Sensor

Partnumber Manufacturer Quantity Availability
LM45B NSC 686 In Stock

Description and Introduction

SOT-23 Precision Centigrade Temperature Sensor The LM45B is a precision integrated-circuit temperature sensor manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Temperature Range:** -40°C to +125°C  
- **Accuracy:** ±2°C (typical) at 25°C  
- **Output Voltage:** 10 mV/°C (linear slope)  
- **Supply Voltage Range:** 4V to 30V  
- **Low Self-Heating:** 0.08°C in still air  
- **Low Quiescent Current:** 120 µA (typical)  
- **Package Options:** TO-92, SOIC  

### **Descriptions:**  
- The LM45B is a linear analog temperature sensor that provides an output voltage proportional to the Celsius temperature.  
- It does not require external calibration and is designed for ease of use in various applications.  
- The sensor is optimized for low-power operation and is suitable for battery-powered systems.  

### **Features:**  
- Directly calibrated in °C (Celsius)  
- Linear +10 mV/°C scale factor  
- Wide operating voltage range (4V to 30V)  
- Low self-heating ensures accurate readings  
- Suitable for remote applications due to minimal loading effects  

The LM45B is commonly used in HVAC systems, power supply monitoring, and industrial control applications.

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