Piher International (Libertyville, IL) offers the non-contacting MTS 360 SMD rotary position sensor, suitable for optical imaging stabilization and precision biomedical devices. The MTS combines a through-shaft design with 360° absolute position feedback in an ultra miniature size. It offers reliability up to 25 million cycles. Featuring a size of only 6 mm 17 mm 18 mm, engineers can integrate the sensor directly on a PCB without packaging issues. The standard model features a 4 mm double D-flat shaft and an (8) pad SMD footprint compatible with most reflow soldering systems. The MTS offers linearity as low as ±0.5% and is rated for use at -40 °C to 150 °C. The sensor can operate up to 300 RPM and can be programmed with full scale output with angles shorter than 360 degrees. Output is selectable between Analog, PWM 12 bits, or Serial Protocol (SPI) at 14 bits, and includes a second output channel to provide a programmable switch signal.

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Medical Design Briefs Magazine

This article first appeared in the May, 2011 issue of Medical Design Briefs Magazine.

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