The LM45H is a precision integrated-circuit temperature sensor that can sense temperatures over a −20°C to +100°C range using a single supply. The output voltage of the LM45H is linearly proportional to Celsius temperature (+10 mV/°C). It doesn't require any external calibration or trimming to provide typical accuracies of ±2°C at room temperature and ±3°C over the full temperature range. The LM45H's low output impedance, linear output, and precise inherent calibration make interfacing to readout or control circuitry especially easy.

Applications

• Environmental control systems
• Thermal protection
• Industrial
• HVAC systems
• Temperature monitoring in electronic devices

Features

• Calibrated Directly in ° Celsius
• Linear +10 mV/°C Scale Factor
• 2°C Ensured Accuracy (at +25°C)
• Suitable for Remote Applications
• Operates from 5 to 30 Volts
• Less than 50 μA Current Drain
• Low Output Impedance

Benefits

• Simplified temperature sensing design due to direct calibration in Celsius.
• High accuracy ensures reliable temperature readings and control.
• Low power consumption makes it suitable for battery-powered applications.
• Ease of integration with various electronic systems due to low output impedance.

Additional Details

The LM45H is available in various packages. It operates with a supply voltage range of 5V to 30V. The output voltage is directly proportional to the temperature in Celsius, simplifying the conversion process. The sensor's low power consumption minimizes its impact on the overall system power budget. Its small size allows for easy integration into compact designs.