Datasheet > MLX90247_04

MLX90247_04

更新时间： 2024-11-11 04:15:11

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
10页	227K
描述
Discrete Infrared Thermopile Detectors

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中文翻译

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数据手册

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MLX90247_04 数据手册

MLX90247 family

Discrete Infrared Thermopile Detectors

Features and Benefits

Solid state thermopile sensor

On-chip thermistor for ambient temperature compensation

High reliability and long-term stability

Very high ESD protection – 7 kV on all pins (only for

MLX90247BAA and MLX90247BAL)

Low cost, small size

Ordering Information

Suffix

Part No

Package code

Type Description

Large aperture (3.5mm) thermopile detector with on-chip PTC

thermistor, floating thermopile outputs.

E (-40C to +85C)

SF(TO-39)

MLX90247

DSA

DSL

BAA

BAL

Small aperture (2.5mm) thermopile detector with on-chip PTC

thermistor, floating thermopile outputs.

Large aperture (3.5mm) thermopile detector with on-chip PTC

thermistor, floating thermopile outputs. Excellent ESD

Small aperture (2.5mm) thermopile detector with on-chip PTC

thermistor, floating thermopile outputs. Excellent ESD

E (-40C to +85C)

MLX90247

SF(TO-39)

Notice: In case sensor is used in automotive applications, Melexis must be informed.

Applications

Automotive contactless temperature sensing.

IR thermometers

Gas analysis equipment

Occupancy detection

1. Functional Diagram

2. Description

At the heart of the MLX90247 thermopile sensors is a

silicon die with a central micromachined membrane

surrounded by a bulk silicon edge. The hot junctions of the

thermopile are positioned near the center of the membrane

and the cold junctions are located above the bulk silicon

edge. Infrared irradiation of the low thermal conductivity

membrane creates a temperature difference between the

membrane and the surrounding bulk silicon. The resulting

thermopile voltage is a function of the temperature

difference between the object and the sensor.

Measurement of the absolute temperature of the object is

possible by relating the thermopile signal to the

temperature of the sensor. The exact temperature of the

sensor is measured by a PTC thermistor integrated in the

bulk silicon edge. No supply voltage is needed for the

thermopile.

60 kOhm

Out IR+

40 uV/K

Out IR-

Rsense

Thermopile

24 kOhm

VSS

PTC

Socket

The sensor and thermistor can be used independently of

each other if desired, as the thermopile potential is floating.

The MLX90247DSL (BAL) sensor IC is similar to

MLX90247DSA (BAA) but with smaller aperture, thus

resulting in narrower field of view (FOV).

3901090247

Rev. 003

Page 1 of 10

Data Sheet

Jun/04

12 3 4 5 6 7...10

中文翻译

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与MLX90247_04相关器件

型号	品牌	获取价格	描述	数据表
MLX90247_07	ETC	获取价格	Discrete Infrared Thermopile Detectors
MLX90247B	ETC	获取价格	Thermopile w/On-Chip Thermistor
MLX90247C	ETC	获取价格	Thermopile w/NTC Thermistor
MLX90247DSA	ETC	获取价格	Discrete Infrared Thermopile Detectors
MLX90247DSE	ETC	获取价格	Discrete Infrared Thermopile Detectors
MLX90247DSG	ETC	获取价格	Discrete Infrared Thermopile Detectors
MLX90248	MELEXIS	获取价格	Micropower & Omnipolar Hall Switch
MLX90248_12	MELEXIS	获取价格	Micropower & Omnipolar Hall Switch
MLX90248_18	MELEXIS	获取价格	Micropower & Omnipolar Hall Switch
MLX90248ELDEBA-000RE	MELEXIS	获取价格	Micropower & Omnipolar Hall Switch

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