New AUSTRIA MICRO SYSTEMS Evaluation Board For 10Bit Programmable Magnetic Rotary Encoder Reviews
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New AUSTRIA MICRO SYSTEMS Evaluation Board For 10Bit Programmable Magnetic Rotary Encoder Feature
- Evaluation Board for 10Bit Programmable Magnetic Rotary Encoder.
- The AS5040 is a contactless magnetic rotary encoder for accurate angular measurement over a full turn of 360 degree .
- It is a system-on-chip, combining integrated Hall elements, analog front end and digital signal processing in a single device.
- To measure the angle, only a simple two-pole magnet, rotating over the center of the chip, is required.
- The magnet may be placed above or below the IC.
The absolute angle measurement provides instant indication of the magnet¡¯s angular position with a resolution of 0.35 degree 1024 positions per revolution. This digital data is available as a serial bit stream and as a PWM signal. Furthermore, a user-programmable incremental output is available, making the chip suitable for replacement of various optical encoders. An internal voltage regulator allows the AS5040 to operate at either 3.3 V or 5 V supplies. Key Features: Contactless high resolution rotational position encoding over a full turn of 360 degrees; Two digital 10bit absolute outputs: Serial interface and, Pulse width modulated (PWM) output; Three incremental output modes: Quadrature A/B and Index output signal, Step / Direction and Index output signal, 3-phase commutation for brushless DC motors 10, 9, 8 or 7 bit user programmable resolution; User programmable zero / index position. Failure detection mode for magnet placement monitoring and loss of power supply. Rotational speeds up to 30,000 rpm. Push button functionality detects movement of magnet in Z-axis. Serial read-out of multiple interconnected AS5040 devices using Daisy Chain mode. Wide temperature range: - 40 degree C to + 125 degree C. Fully automotive qualified to AEC-Q100,grade 1. Small Pb-free package: SSOP 16 (5.3mm x6.2mm). Benefits: Complete system-on-chip; Flexible system solution provides absolute, PWM and incremental outputs simultaneously; Ideal for applications in harsh environments due to contactless position sensing; Tolerant to magnet misalignment and airgap variations; No temperature compensation necessary; No calibration required.
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Sep 07, 2011 05:13:03
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