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MLX90320
Automotive Smart Sensor Interface IC
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Melexis introduces a new versatile, fully integrated and programmable sensor interface solution for automotive applications. The MLX90320 provides amplification, calibration and temperature compensation for virtually all kinds of resistive bridge type sensors including pressure transducers, strain gauges and position sensors.
Melexis’ Programmable Through Connector’ concept for high-volume implementations, enables programming in the production environment post assembly.
An operating temperature range of -40°C to 150°C as well as various implemented clamping detection and fault/diagnosis modes, over-voltage and reverse polarity protection make the MLX90320 the perfect fit for automotive applications.
An Evaluation Board for this new MLX90320 chip is available.
For further information, please contact:
Michel Bourdon, mbo@melexis.com
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Features and Benefits
- The ASIC calibrates the sensor output by nulling the offset voltage and by applying the appropriate signal gain to calibrate the output voltage span between 0V and 5V. Sensor errors are compensated via various DACs. The digital coefficients, which determine the calibration parameters, are stored in an on-chip EEPROM. Both gain and offset have coarse and fine DACs, allowing a very accurate calibration over a wide range of input errors.
Product Applications
Brake Pressure Sensor (High-Pressure)
Pressure Sensing
Seat Occupant Detection
Assets
| Application Note |
File Type |
Size |
Revision |
Date |
Action |
| EVB90320 Application Note |
PDF |
995.9 KB |
1 |
3/7/2008 |
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| DataSheet |
File Type |
Size |
Revision |
Date |
Action |
| MLX90320 DataSheet |
PDF |
624.2 KB |
4.0 |
3/16/2006 |
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| Product flyers |
File Type |
Size |
Revision |
Date |
Action |
| MLX90320 |
PDF |
525.0 KB |
001 |
6/21/2006 |
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