The AS5245, a fail-safe magnetic rotary encoder IC is designed to address stringent automotive requirements. It is based on stacked-die technology in order to provide the best phase-matching capabilities. No additional temperature compensation, calibration, or shielding against external magnetic stray fields is needed. To give system designers more flexibility during evaluation, the digital angle data of the part is provided either as a simple serial interface or as a PWM signal.
In addition, an incremental quadrature output mode with an improved interpolation algorithm can be enabled and permanently programmed with a resolution of 10 or 12 bits. Housed in a a lead-free QFN 32 package, the encoder includes user-specific zero programming, chip-ID and diagnostic functions for the correct positioning of the magnet, and an internal voltage regulator that allows the AS5245 to operate at either 3.3- or 5-V supply within a wide ambient temperature range of up to 150°C. ($12.22 ea/1,000 — available now.)
austriamicrosystems , Unterpremstaetten , Austria
Andreas Pfingstl 011-43-3136-50-5516
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