MLX90621 datasheet(1/44 Pages) MELEXIS

Teilenummer	MLX90621

Bauteilbeschribung	16x4 IR array

PDF	44 Pages

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Hersteller	MELEXIS [Melexis Microelectronic Systems]

Direct Link	http://www.melexis.com

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MLX90621

16x4 IR array

Datasheet

39001090621

Page 1 of 44

Datasheet IR16x4

Rev 3.0

15 September 2016

Features and Benefits

Small size, low cost 16x4 pixels IR array

Easy to integrate

Industry standard four lead TO39 package

Factory calibrated infrared temperature

measurement.

Calibration parameters stored in EEPROM.

Noise Equivalent Temperature Difference (NETD)

0.20K RMS @4Hz refresh rate

I

2C compatible digital interface

Programmable frame rate 0.5Hz…512Hz

2.6V supply voltage

Current consumption less than 9mA

Sleep mode consumption less than 7µA

Measurement start trigger for synchronization

with external control unit

3 FOV - 40°x10°, 60°x16° and 120°x25°

Ta -40°C to 85°C

To -20°C to 300°C

Complies with RoHS regulations

Applications Examples

High precision non-contact temperature

measurements;

Temperature sensing element for residential,

commercial and industrial building air

conditioning;

Microwave ovens

Home appliances with temperature control;

Thermal Comfort sensor in automotive Air

Conditioning control system;

Passenger classification

Automotive blind angle detection;

Industrial temperature control of moving parts;

Identifying thermal leaks in homes

Thermal scanners

Security / safety gates

Intrusion / Movement detection;

Presence detection / Person localization

Ordering Information

Part No.

MLX90621

Temperature

Code

E (-40°C to 85°C)

Package

Code

SF (TO-39)

Option Code

- X X X

(1) (2) (3)

Standard

part

-000

Packing

form

-TU

(1) Supply Voltage

B = 2.6V

(2) Number of

thermopiles:

A = 16X4

(3) Package options:

A = 120°x25° FOV

B = 60°x16° FOV

C = reserved

D = 40°x10° FOV

Example:

MLX90621ESF-BAB-000-TU

Functional diagram

General Description

The MLX90621 is a fully calibrated 16x4 pixels IR array

in an industry standard 4-lead TO-39 package. It

contains 2 chips in one package: the MLX90670 (IR

array with signal conditioning electronics) and the

24AA02 (256x8 EEPROM) chip.

The MLX90621 contains 64 IR pixels with dedicated

low noise chopper stabilized amplifier and fast ADC

integrated.

A

PTAT

(Proportional

To

Absolute

Temperature) sensor is integrated to measure the

ambient temperature of the chip. The outputs of both

IR and PTAT sensors are stored in internal RAM and

are accessible through I

2C.

Digital filtering

Digital Active Thermopile Array

RAM memory

I2C interface

EEPROM

VDD

VSS

CLK

SDA

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