December, 2016


www.us- tech.com


Melexis Intros Mid-Range Pressure Sensor IC


Concord, NH — Melexis has intro- duced its MLX90819 sensor IC — a mid-range (10-50 bar) pressure sen- sor. Available as a bare die, the IC runs on a standard 5V supply. The sensor is used to determine fluid pressure levels in a wide variety of automotive and industrial applica- tions, including engine oil, transmis-


verter (ADC), 12-bit digital-to-analog (DAC) and high-performance 16-bit processor core are embedded directly into each sensor IC. The cost and complexity implications of discrete MEMS solutions, as well as the space utilization and sealing wear-and-tear issues that blight traditional non- MEMS solutions, can be avoided. The IC can deliver either an analog signal or a single edge nibble transmission (SENT) output for applications requir- ing a digital output. This robust IC is suited


MLX90819 pressure sensor ICs.


sion fluid and fuel line monitoring. The IC delivers a relative pressure value, has a 1 ms response time, and ±2.5 percent over life accuracy and ±0.2 percent linearity across its entire operational pressure range. By using advanced process tech-


nology, the MLX90819 benefits from a microcontroller-based architecture. This allows a much higher degree of sophistication to be incorporated onto the semiconductor die —with all digital processing, data conversion, temperature offset, gain compensa- tion and filtering tasks taken care of directly. A 16-bit analog-to-digital con-


to both heavy-duty industrial and automotive deployment, with full AECQ100 compli- ance and a specified tempera- ture range of –40 to 150°C (–40 to 302°F). An automotive over-voltage protection mech- anism is included in order to


ensure ongoing reliability. An array of diagnostic features


further support its long term opera- tional integrity. These include analog output clamping level and broken track detection, plus numerous dis- tinctive diagnostic messages passed by the SENT protocol (such as inter- nal temperature or pressure errors, external over-voltage/under-voltage conditions). The sensor ICs are


shipped in a die-on-foil format. Contact: Melexis, Inc., 41 Locke


Road, Concord, NH 03301 % 248-306-5400


E-mail: sales_usa@melexis.com Web: www.melexis.com


Page 71


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