By ams 103
ams' AS5215 is a redundant, contactless rotary encoder sensor for accurate angular measurement over a full turn of 360° and over an extended ambient temperature of -40°C to +150°C. Based on an integrated Hall element array, the angular position of a simple two-pole magnet is translated into analog output voltages. The angle information is provided by means of buffered sine and cosine voltages. This approach gives maximum flexibility in system design, as it can be directly integrated into existing architectures and optimized for various applications in terms of speed and accuracy.
With two independent dies in one package, the AS5215 offers true redundancy. The sensitivity of the device as well as the output mode (differential or single ended) is programmable to keep highest system flexibility. An SSI interface is implemented for signal path configuration, as well as a one-time programmable register block (OTP). This allows the customer to adjust the signal path gain for different mechanical constraints and magnetic fields.
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