MLX90621 datasheet(5/44 Pages) MELEXIS

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MLX90621

16x4 IR array

Datasheet

39001090621

Page 5 of 44

Datasheet IR16x4

Rev 3.0

15 September 2016

Glossary of terms

POR

Power On Reset

PTAT

Proportional To Absolute Temperature sensor (package temperature)

Infra Red

IR_data

Infrared data (raw data from ADC proportional to IR energy received by the sensor)

ADC

Analog To Digital Converter

Ambient Temperature measured from the chip – (the package temperature)

Object Temperature, ‘seen’ from IR sensor

TGC

Temperature Gradient Coefficient

FOV

Field Of View

nFOV

Field Of View of N-th pixel

ESD

Electro-Static Discharge

EMC

Electro-Magnetic Compatibility

Inter-Integrated Circuit communication protocol

SDA

Serial Data

SCL

Serial Clock

FpS

Frames per Second – data refresh rate

Master Device

Slave Device

TBD

To Be Defined

Not Applicable

Table 1 Glossary of terms

Absolute Maximum ratings

Parameter

MLX90621

Supply Voltage, VDD (over voltage)

5.5V

Supply Voltage, VDD (operating max)

3.6V

Reverse Voltage (each pin)

-0.3 V

Operating Temperature Range, TA

-40…+85

°C

Storage Temperature Range, TS

-40…+125

°C

ESD Sensitivity (AEC Q100 002)

4kV

DC sink current, SDA

50 mA

DC source current, SDA

NA (open drain)

DC clamp current, SDA

25 mA

DC source current, SCL

NA (input only)

DC clamp current, SCL

25 mA

Table 2 Absolute maximum ratings for MLX90621

Exceeding the absolute maximum ratings may cause permanent damage. Exposure to absolute-maximum-rated

conditions for extended periods may affect device reliability.

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