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MLX90819

Melexis
Part Number MLX90819
Manufacturer Melexis
Description Relative Integrated Pressure Sensor
Published Jan 31, 2017
Detailed Description MLX90819 Relative Integrated Pressure Sensor Datasheet 1. Features and Benefits ▪ Fully integrated IC: MEMS, analog fro...
Datasheet PDF File MLX90819 PDF File

MLX90819
MLX90819


Overview
MLX90819 Relative Integrated Pressure Sensor Datasheet 1.
Features and Benefits ▪ Fully integrated IC: MEMS, analog front end, 16 bit microcontroller, analog back end, voltage regulators, SENT driver ▪ Ratiometric Analog and SENT outputs ▪ Automotive temperature (-40°C to 150°C) ▪ Automotive qualified beyond AECQ100 ▪ Automotive diagnostic features (clamping levels, broken track diagnostics, multiple internal fault diagnostics) ▪ Glass pedestal for easy assembly and for back side exposed configuration for higher resistance to common automotive media ▪ High accuracy and robust EMC performance 3.
Description The MLX90819 is an integrated relative pressure sensor delivering a ratiometric analog or digital (using the SENT protocol) signal.
Use of an optimized architecture and a high density CMOS technology imparts the MLX90819 with best in class automotive EMC performance.
A DSP based architecture using a 16bit microcontroller provides outstanding performance in terms of initial accuracy.
The MLX90819 is mounted on a glass pedestal to ease the assembly of the die at the customers being the ideal solution for back side exposed pressure sensor applications requiring high accuracy, high EMC robustness, miniaturization and compliance to harsh automotive environments (See application note 90819 Pressure Sensor Assembly Guidelines).
Piezoresistive sensing element Temperature Sensor G Diagnostic Signals DSP Analog/ Digital Regulator Rev.
Pol.
& OverVolt.
16 12 C Gain & Offset temperature M compensation A Pressure Linearization U Programmable filter X D Diagnostics Logic D A Gain ROM - F/W RAM EEP ROM VDD OUT TX (SENT) GND Figure 1: Block diagram 2.
Application Examples ▪ Mid pressure ranges (10.
.
50bar) ▪ Automotive oil (engine, transmissions) ▪ Automotive HVAC ▪ Automotive fuel line ▪ Industrial applications REVISION 7 – 21 JAN 2020 3901090819 MLX90819 Datasheet Contents 1.
Features and Benefits .
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