MLX90614 family
Single and Dual Zone
Infra Red Thermometer in TO-39
Features and Benefits
Applications Examples
ß Small size, low cost
ß Easy to integrate
ß High precision non-contact temperature
measurements
ß Factory calibrated in wide temperature range:
-40…+125˚C for sensor temperature and
-70…+380˚C for object temperature.
ß High accuracy of 0.5°C in a wide temperature
range (0…+50°C for both Ta and To)
ß High (medical) accuracy calibration
ß Measurement resolution of 0.02°C
ß Single and dual zone versions
ß SMBus compatible digital interface
ß Customizable PWM output for continuous
reading
ß Thermal Comfort sensor for Mobile Air
Conditioning control system
ß Temperature sensing element for residential,
commercial and industrial building air
conditioning
ß Windshield defogging
ß Automotive blind angle detection
ß Industrial temperature control of moving parts
ß Temperature control in printers and copiers
ß Home appliances with temperature control
ß Healthcare
ß Available in 3V and 5V versions
ß Simple adaptation for 8…16V applications
ß Sleep mode for reduced power consumption
ß Different package options for applications and
measurements versatility
ß Livestock monitoring
ß Movement detection
ß Multiple zone temperature control – up to 127
sensors can be read via common 2 wires
ß Thermal relay / alert
ß Automotive grade
ß Body temperature measurement
Ordering Information
Part No.
Temperature
Code
Package
Code
- Option Code
- X X X
Standard Packing
part
form
MLX90614
SF (TO-39)
(1) (2) (3)
-000
-TU
E (-40°C...85°C)
K (-40°C…125°C)
(1) Supply Voltage/ Accuracy (2) Number of thermopiles:
(3) Package options:
A – Standard package
B – Reserved
A - 5V
A – single zone
B – dual zone
B - 3V
C - Reserved
D - 3V medical accuracy
C – gradient compensated* C – 35° FOV
D/E – Reserved
F – 10° FOV
G – Reserved
H – 12° FOV (refractive lens)
I – 5° FOV
Example:
MLX90614ESF-BAA-000-TU
* : See page 2
1 Functional diagram
2 General Description
The MLX90614 is an Infra Red thermometer for non
contact temperature measurements. Both the IR sensitive
thermopile detector chip and the signal conditioning ASSP
are integrated in the same TO-39 can.
Thanks to its low noise amplifier, 17-bit ADC and
powerful DSP unit, a high accuracy and resolution of the
thermometer is achieved.
The thermometer comes factory calibrated with a digital
PWM and SMBus (System Management Bus) output.
As a standard, the 10-bit PWM is configured to
continuously transmit the measured temperature in range
of -20…120˚C, with an output resolution of 0.14˚C.
The factory default POR setting is SMBus.
MLX90614Axx: Vdd=4.5...5.5V
J1
1
MLX90614
SCL
Vz
U1
SCL
PWM
SDA
4
Vss
SDA
Vdd
2
Vdd
3
C1
GND
0.1uF
CON1
C1 value and type may differ
in different applications
for optimum EMC
MLX90614 connection to SMBus
Figure 1: Typical application schematics
3901090614
Rev 009
Page 1 of 52
Data Sheet
June 29, 2015
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