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Sensors/MEMS??

0.18?m foundry solution targets Hall sensors

Posted: 12 Jun 2009 ?? ?Print Version ?Bookmark and Share

Keywords:Hall sensor? foundry? CMOS?

X-FAB Silicon Foundries has introduced the what it claims to be the first foundry process for the production of integrated Hall sensor ICs in 0.18?m; technology.

The company's 0.18?m low-power CMOS process, known as XH018, allows the combination of Hall sensor elements with high-voltage devices and non-volatile memory options. This capability augments the analog/mixed-signal capabilities inherent in the XH018 process, enabling cost-effective and energy-efficient SoC solutions.

Customers gain the many advantages that Hall effect sensors have over traditional mechanical and reed discrete devices. Silicon-based contactless implementation of Hall sensors improves reliability and durability by virtually eliminating mechanical wear. These sensors enable high-precision measurement and analysis of magnetic fields.

X-FAB's 0.18?m foundry technology for Hall sensors enables the sensing element to be integrated on the same chip as its control logic and interface circuitry. Due to its small geometry resulting in high integration density, high magnetic sensitivity can be achieved with minimal parasitic effects. On a test chip with a sensor size of 50 x 50 square micrometers, X-FAB has proven a magnetic sensitivity of up to 360 V/(A*T) with high linearity.

Hall sensor technology has been replacing conventional sensing techniques in many applications. X-FAB's Hall sensor foundry offering is suitable for a variety of applications including magnetic field measurements, position control, speed detection, contactless switches as well as position and angle sensors. System costs for such applications can be substantially lowered with X-FAB's integrated approach due to lower part count, simpler assembly, and higher reliability.

X-FAB's XH018 technology for integrated Hall sensor solutions is available today. It comes with comprehensive design support including characterization data and layout examples.





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