Infrared Temperature Sensor MLX90614


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Product Description


The Melexis MLX90614ESF-AAA is a high-accuracy, high-resolution, non-contact temperature sensor with a 90-degree field of view. It has a measurement resolution of 0.02°C and is factory calibrated for a wide -70 to 380°C object temperature range. The sensor uses an SMBus (I²C-compatible) digital interface and can be configured to output a customizable 10-bit PWM output for continuous readings.

The MLX90614 family of sensors use infrared thermopile detectors to determine the temperature of objects without touching them. This sensor can tolerate ambient temperatures from -40 to 85°C and works for object temperatures from -70 to 382.2°C. It provides a measurement resolution of 0.02°C and has an accuracy of ±0.5°C at room temperature. The device comes in a compact TO-39 package that weighs just 0.03 oz (0.9g), and it features filters that give it immunity from ambient IR and sunlight.

Application Examples
Fire detector on a firefighting robot
Movement detector
Thermal relay with a programmable threshold (e.g. for use in a thermostat)
Body temperature measurement
Monitoring of component temperatures, such as motor drivers
Multi-zone temperature control—up to 100 sensors can be read via two common wires

Technical Data Sheet


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