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MLX90614 Digital, plug & play, infrared thermometer in a TO-can

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The MLX90614 is an Infra Red thermometer for non contact temperature measurements. Both the IR sensitive thermopile detector chip and the signal conditioning ASIC are integrated in the same TO-39 can.
Integrated into the MLX90614 are a low noise amplifier, 17-bit ADC and powerful DSP unit thus achieving high accuracy and resolution of the thermometer.

The thermometer comes factory calibrated with a digital SMBus output giving full access to the measured temperature in the complete temperature range(s) with a resolution of 0.02°C.

The user can configure the digital output to be PWM. As a standard, the 10-bit PWM is configured to continuously transmit the measured temperature in range of -20 to 120 °C, with an output resolution of 0.14 °C.

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Features and Benefits

Small size, low cost
Easy to integrate
Factory calibrated in wide temperature range: -40 to 125 °C for sensor temperature and -70 to 380 °C for object temperature.
High accuracy of 0.5°C over wide temperature range (0..+50 C for both Ta and To)
Medical accuracy of 0.1°C in a limited temperature range available on request
Measurement resolution of 0.01°C
Single and dual zone versions
SMBus compatible digital interface for fast temperature readings and building sensor networks
Customizable PWM output for continuous reading
Available in 3V and 5V versions
Simple adaptation for 8 to 16V applications
Power saving mode
Different package options for applications and measurements versatility
Automotive grade

Product Applications

Window Condensation (Fogging) Sensing and Prediction
Tire Pressure Monitoring Systems (TPMS)
Comfort Sensing
misting/fogging detection and prevention
Seat Occupant Detection
Tire Pressure Monitoring Systems (TPMS)
Temperature measurement
Room Temperature Sensing
Perishable Goods Temperature Tracking
Temperature measurement
Process Monitoring
Fever measurement
Diagnosis Systems

Assets

Application Note	File Type	Size	Revision	Date	Action
Analog voltage output with MLX90614	PDF	181.7 KB	001	11/1/2006
EVB90614/5 User Manual	PDF	1.9 MB	5	10/10/2008
MLX90614 Grounding and layout	PDF	437.1 KB	001	10/9/2007
MLX90614 SMBus implementation in PIC MCU	ZIP	828.6 KB	002	10/15/2007
Read PWM from MLX90614 and calculate temperature with PIC18 MCU	ZIP	279.7 KB	001	8/3/2007
Simple IR temperature reader with MLX90614 and PIC10 MCU	ZIP	423.1 KB	002	12/10/2007
SMBus communication with MLX90614	PDF	575.2 KB	004	2/1/2008
Soldering Application Note and Recommendations	PDF	137.7 KB	2	7/18/2008
Understanding MLX90614 on-chip digital signal filters	PDF	461.2 KB	001	4/18/2007

DataSheet	File Type	Size	Revision	Date	Action
IR sensor thermometer MLX90614 Datasheet	PDF	731.9 KB	4	8/22/2008

Product flyers	File Type	Size	Revision	Date	Action
Flyer MLX90614	PDF	849.7 KB	002	12/19/2006

Referenc Design (Gerber File)	File Type	Size	Revision	Date	Action
Thermostat with MLX90614	PDF	3.0 MB	001	11/22/2007

Software & Tools	File Type	Size	Revision	Date	Action
Software for EVB90614/5	EXE	13.6 MB	11	10/10/2008

Web Link	File Type	Size	Revision	Date	Action
a free guide to temperature sensors and their uses			3	10/15/2007
BASIC Stamp implementation with the MLX90614			1	9/16/2008

Related Products

Part Number

Description

MLX9O247

Infrared Sensor IC

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Thermometer

Handheld InfraRed Non-Contact Thermometer

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EVB90614

Evaluation board for MLX90614

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Related Melexis News

January 9, 2008
Inexpensive, Non Contact Thermometer Sensor offers Narrow Field Of View June 25, 2007
Melexis Infrared Thermometer wins prestigious Electron d’Or in France May 22, 2007
Integrated infrared thermometer delivers medical accuracy over a wide operating range February 7, 2007
Melexis Named Finalist of Prestigious 2007 EE Times ACE Award in Analog IC Category September 15, 2006
Non-Contact Temperature Measurement Made Simple and Inexpensive