Products

Trade Shows


Hall 5, Booth 414
30.05. - 01.06.2017

 

Contact:

Germany / General
André Huntrieser
✆: +49 (0) 2129 - 376-202
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Field Applications Engineer
Günter Fuchs
✆: +49 (0) 2129 376-200
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Tech Support
Raphael Balke
✆: +49 (0) 2129 376-200
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Austria / Switzerland
Karl Eder
✆: +43 (0) 7448 - 21643-11
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Pressure Sensor

 

 

Melexis’ pressure sensors consist of a piezoresistive Wheatstone bridge that sits on the edge of a silicon membrane and transforms the stress induced by pressure on the membrane into an electrical signal. They can be used in conjunction with amplifier circuits to provide pressure indication. They may also be incorporated into a system in package (SIP), which integrates all the necessary circuitry, as in the Tire Pressure Monitoring sensor. The tire pressure monitor actually combines three sensor technologies in a single package: a pressure sensor; temperature sensor and a motion sensor.
Melexis manufactures highly sophisticate, fully integrated relative pressure sensors. These products incorporate the MEMs pressure sensor with signal processing and programmable gain and offset correction to enable a robust automotive grade pressure sensor. One use is in automotive vacuum boost systems to measure the air pressure in the vacuum chamber situated adjacent to a master brake cylinder. Depending on pressure variations during braking, a pump is activated and generates additional vacuum to increase braking force. Relative pressure sensors also have application in occupancy detection systems, where they are integrated into a car seat to turn the airbag system on or off; as well as in fuel vapour sensing, for emissions control.

 

Product

Measuring

Range

Benefits

Package

Datasheet

MLX90809

Relative pressure

0.5 to 1 bar
Ratio metric Analog Output or digital SENT output

High accuracy relative pressure sensor (+/-1.5%FSO), Factory calibrated and/or fully programmable through the connector for customized calibration curves, Fully integrated IC: MEMS, analog front end circuitry, 16 bit microcontroller, analog back end circuitry, voltage regulators

Special SOIC 16WB

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MLX90308

 

Programmable Sensor Interface for Bridge-Type

Versatile output signal ranges: 4, 5, 10 or 11V DC and 4mA to 20mA Loop

Suited for low-cost sensors , Microprocessor-controlled signal conditioning, Overall gain / Voltage mode: max. 600V/V
External or internal temperature sensor for compensating temperature errors, Power supply from 6V to 35V

SOIC16WB

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MLX90314

High Gain Programmable Sensor Interface for
Bridge-Type

Versatile output signal ranges:
4, 5, 10 or 11V DC and 4mA to 20mA Loop

Suited for low-cost sensors , Microprocessor-controlled signal conditioning, Overall gain / Voltage mode: max 2100V/V.
External or internal temperature sensor for compensating temperature errors, Power supply from 6V to 35V

SOIC16WB

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MLX90320

Automotive Sensor Interface for all types of Resistive
Sensors

Ratio-metric output: 0 to 5V

Suited cost optimized sensors: gain and offset correction by programmable coefficients,
External or internal temperature sensor for compensating temperature errors,
Power supply from 4.5V to 5.5V

SSOP1

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MLX90323

Sensor Interface with Signal Conditioning and EEPROM

4mA to 20mA Loop

Programmable Sensor Interface IC with 4 to 20mA current loop output. External or internal temperature sensor for compensating temperature errors, Power supply from 6V to 35V

SOIC16WB

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MLX90326

Analog Sensor Interface IC

Ratio-metric output: 0 to 5V

Versatile, cost optimized, fully integrated and programmable sensor interface IC with analog output for single bridge inputs, Internal temperature sensor provided, Power supply from 4.5V to 5.5V

SSOP14

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