产品介绍
MLX90821 是一款经过封装和出厂校准的汽车级相对压力传感器 IC，提供模拟输出和 SENT 输出，适用于汽车里要求超低压力（50 mbar到 700 mbar）的严苛介质应用，如燃油蒸汽应用。MLX90821 具有高稳健性能，是测量超低压力应用的理想解决方案，满足拓展型实验要求。
特性和优势
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高精度相对压力传感器 IC，提供与电源电压成比例的模拟输出或数字 SENT 输出，其中数字 SENT 输出可提供 NTC 测量的介质温度信息，补偿后精度高达 ±1°C
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较宽的汽车温度范围（-40°C 至 150°C）
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满足车规要求，提供汽车级诊断功能（钳位电平、断路跟踪诊断和多种内部故障诊断）
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迈来芯出厂校准，同时允许客户通过连接器重新校准或配置至客户定制曲线
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背面承压式相对压力传感器 IC，对普通汽车介质具有高兼容性
- 采用易于密封的稳健封装
技术洞见
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.
