Description

MLX90614 Non-Contact Infrared Temperature Sensor Module

The MLX90614 is a high-accuracy, non-contact infrared temperature sensor designed for measuring the temperature of objects without physical contact. It integrates an infrared thermopile detector, low-noise amplifier, 17-bit ADC, and DSP in a compact package. The sensor provides factory-calibrated digital temperature readings through an SMBus-compatible interface and can also provide PWM output.

Key Features
Non-contact infrared temperature measurement
Factory calibrated for reliable temperature readings
Object temperature range: -70°C to +380°C
Sensor/ambient temperature range: -40°C to +125°C
Typical accuracy up to ±0.5°C in the 0°C to +50°C range
Temperature resolution: 0.02°C
Integrated 17-bit ADC and DSP
SMBus-compatible digital communication
Programmable PWM output
Available in 3V and 5V versions
Low power consumption, approximately 1.4 mA
Single-zone and dual-zone versions available
Compact TO-39 sensor package
Suitable for embedded and industrial temperature-monitoring applications
Technical Specifications
Parameter Specification
Sensor Type Infrared Thermopile Temperature Sensor
Measurement Method Non-Contact IR
Object Temperature Range -70°C to +380°C
Sensor Temperature Range -40°C to +125°C
Typical Accuracy ±0.5°C from 0°C to +50°C
Resolution 0.02°C
ADC 17-bit
Digital Interface SMBus-compatible 2-wire
Communication Speed 10 kHz to 100 kHz
PWM Output Programmable
Supply Options 3V / 5V
Current Consumption Approx. 1.4 mA
Package TO-39
Sensor Configuration Single / Dual Zone

The MLX90614 operates as an SMBus slave and has a programmable 7-bit address, making it suitable for multi-sensor temperature-monitoring systems.

Applications
Contactless temperature measurement
Human/body temperature monitoring
Industrial temperature monitoring
Electronic equipment temperature sensing
HVAC and air-conditioning systems
Home automation
Thermal monitoring systems
Printer and copier temperature control
Microwave and home appliances
Robotics and automation
Moving-object temperature measurement
Thermal alarm and relay systems
Automotive temperature monitoring
Compatible Development Boards

The MLX90614 can be integrated with popular microcontrollers and development platforms such as:

Arduino UNO
Arduino Nano
ESP8266
ESP32
Raspberry Pi
STM32
Other microcontrollers supporting SMBus/I²C-style communication
Why Choose MLX90614?

The MLX90614 is an excellent choice for projects requiring accurate, fast and non-contact temperature measurement. Its factory calibration, integrated signal processing, digital interface and wide measurement range make it suitable for DIY electronics, IoT projects, robotics, automation and industrial monitoring.

Product Category: Temperature Sensor
Sensor Type: Non-Contact Infrared
Interface: SMBus
Application: Temperature Measurement & Mon kazitechbd.com