Overview
The LM45CIM3X is a precision analog output temperature sensor manufactured by Texas Instruments. It is designed for accurate temperature measurement and monitoring in various applications. This sensor operates within a temperature range of -20°C to 100°C and provides a linear output voltage proportional to the temperature. The LM45CIM3X is housed in a compact SOT-23 package, making it suitable for space-constrained designs. Its high accuracy, low power consumption, and ease of integration make it a popular choice for industrial, automotive, and consumer electronics applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Local Sensor Accuracy (Max) | ±2 | °C | |
| Supply Voltage (Min) | 4 | V | |
| Supply Voltage (Max) | 10 | V | |
| Supply Current (Max) | 120 | µA | |
| Output Impedance | 35 | Ω | |
| Operating Temperature Range | -20 to 100 | °C | |
| Sensor Gain | 10 | mV/°C | |
| Package | SOT-23 | 3-pin |
Key Features
- High Accuracy: Provides temperature measurements with a maximum error of ±2°C.
- Low Power Consumption: Maximum supply current of 120 µA ensures energy efficiency.
- Linear Output: Output voltage is directly proportional to the temperature, simplifying signal processing.
- Compact Package: SOT-23 package is ideal for space-constrained applications.
- Wide Operating Range: Operates reliably in temperatures from -20°C to 100°C.
Applications
The LM45CIM3X is widely used in various industries due to its precision and reliability. In industrial automation, it is employed for temperature monitoring in machinery and equipment. In automotive electronics, it ensures accurate temperature sensing for climate control and engine management systems. Additionally, it is used in consumer electronics for thermal management in devices such as smartphones and laptops. Its versatility and performance make it a key component in applications requiring precise temperature measurement.
Q & A
1. What is the operating temperature range of the LM45CIM3X?
The LM45CIM3X operates within a temperature range of -20°C to 100°C.
2. What is the accuracy of the LM45CIM3X?
It has a maximum local sensor accuracy of ±2°C.
3. What is the supply voltage range for the LM45CIM3X?
The supply voltage ranges from 4V to 10V.
4. How much current does the LM45CIM3X consume?
The maximum supply current is 120 µA.
5. What is the output impedance of the LM45CIM3X?
The output impedance is 35 Ω.
6. What package does the LM45CIM3X come in?
It is available in a 3-pin SOT-23 package.
7. Is the LM45CIM3X suitable for automotive applications?
Yes, it is commonly used in automotive electronics for temperature sensing.
8. What is the sensor gain of the LM45CIM3X?
The sensor gain is 10 mV/°C.
9. Can the LM45CIM3X be used in consumer electronics?
Yes, it is ideal for thermal management in devices like smartphones and laptops.
10. Is the LM45CIM3X UL Recognized?
Yes, it is UL Recognized, ensuring compliance with safety standards.
