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LM45BIM3 from NATIONAL,National Semiconductor

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LM45BIM3

Manufacturer: NATIONAL

SOT-23 Precision Centigrade Temperature Sensor

Partnumber Manufacturer Quantity Availability
LM45BIM3 NATIONAL 3200 In Stock

Description and Introduction

SOT-23 Precision Centigrade Temperature Sensor The LM45BIM3 is a precision integrated-circuit temperature sensor manufactured by National Semiconductor (now part of Texas Instruments).  

### **Specifications:**  
- **Manufacturer:** National Semiconductor  
- **Part Number:** LM45BIM3  
- **Package:** SOT-23 (3-Pin)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Supply Voltage Range:** 4V to 10V  
- **Output Voltage:** 10 mV/°C (linear scale)  
- **Accuracy:** ±2°C (at 25°C)  
- **Low Quiescent Current:** 120 µA (typical)  
- **Output Impedance:** 1 kΩ (typical)  

### **Descriptions and Features:**  
- **Precision Temperature Sensor:** Provides an accurate analog voltage output proportional to temperature.  
- **Wide Operating Range:** Suitable for industrial, automotive, and consumer applications.  
- **Linear Output:** 10 mV per degree Celsius with no external calibration needed.  
- **Low Self-Heating:** Ensures minimal impact on temperature readings.  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **No External Components Required:** Simplifies circuit design.  
- **Reverse Polarity Protection:** Enhances reliability in case of incorrect wiring.  

The LM45BIM3 is commonly used in temperature monitoring, HVAC systems, and thermal management applications.

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