Very low relative pressure sensor for automotive applications
MLX90821 Melexis
The MLX90821 is the ideal solution for measuring very low pressure in applications requiring extended mission profiles when high robustness is needed.
Top features
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High accuracy relative pressure sensor with ratiometric analog output or digital SENT output including compensated ±1 °C accurate NTC media temperature information
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Large automotive temperature range (-40 °C to 150 °C)
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Automotive qualified and automotive diagnostic features (clamping levels, broken track diagnostics, multiple internal fault diagnostics)
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Factory calibrated or fully programmable or reconfigurable through the connector for customized calibration curves at customers
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Backside exposed relative pressure sensor for higher resistance to common automotive media
- Assembled in a robust easy-to-seal package
Product description
The MLX90821 is a packaged and factory calibrated automotive relative pressure sensor IC with an analog and a SENT output that can be used in applications demanding very low pressures from 50 mbar up to 700 mbar in automotive harsh media applications such as fuel vapor.
The MLX90821 is the ideal solution for measuring very low pressures in applications requiring extended mission profiles when high robustness is needed.
Features and benefits
-
High accuracy relative pressure sensor with ratiometric analog output or digital SENT output including compensated ±1 °C accurate NTC media temperature information
-
Large automotive temperature range (-40 °C to 150 °C)
-
Automotive qualified and automotive diagnostic features (clamping levels, broken track diagnostics, multiple internal fault diagnostics)
-
Factory calibrated or fully programmable or reconfigurable through the connector for customized calibration curves at customers
-
Backside exposed relative pressure sensor for higher resistance to common automotive media
- Assembled in a robust easy-to-seal package
Documents and tools
Datasheet(s)
Product flyer(s)
Selection guide(s)
Tools
Related tech talks
Videos
Relative pressure sensor IC for EVAP systems in ICE or hybrid vehicles
The automotive qualified relative pressure sensor is a system-in-package IC solution for the reliable measurement of fuel vapor pressure as low as 50 mbar and up to 700 mbar. This makes the MLX90821 suitable for EVAP (evaporation) systems designed for internal combustion engine (ICE) or hybrid vehicles.
Pressure Sensors Calibration And Reconfiguration
In this video Tom Nulens, Applications Engineer for Pressure Sensors at Melexis, showcases how to change the pressure transfer curve of a pressure sensor with the PTC-04 Melexis programmer and the 90330 software.
Pressure Sensors Configuration Guide
In this video Tom Nulens, Applications Engineer for Pressure Sensors at Melexis, explains how to configure a Melexis pressure sensor.
