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LM34D from NS,National Semiconductor

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LM34D

Manufacturer: NS

Precision Fahrenheit Temperature Sensor

Partnumber Manufacturer Quantity Availability
LM34D NS 500 In Stock

Description and Introduction

Precision Fahrenheit Temperature Sensor The LM34D is a precision Fahrenheit temperature sensor manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Temperature Range:** -50°F to +300°F  
- **Accuracy:** ±1.5°F at +77°F  
- **Output Scale Factor:** 10 mV/°F  
- **Supply Voltage Range:** 5V to 30V  
- **Current Drain:** 75 µA (low self-heating)  
- **Nonlinearity:** ±0.5°F (typical)  
- **Package:** TO-92 (plastic)  

### **Descriptions:**  
- The LM34D is an analog temperature sensor that provides a linear voltage output proportional to Fahrenheit temperature.  
- It does not require external calibration or trimming.  
- Designed for easy interfacing with control and measurement systems.  

### **Features:**  
- Directly calibrated in Fahrenheit (°F)  
- Linear output: 10 mV per °F  
- Low impedance output (0.4 Ω for 1 mA load)  
- Wide operating voltage range (5V to 30V)  
- Low self-heating (0.18°F in still air)  
- Suitable for remote applications due to low current drain  

The LM34D is commonly used in HVAC systems, industrial controls, and consumer electronics for temperature monitoring.

Application Scenarios & Design Considerations

Precision Fahrenheit Temperature Sensor

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