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AS5043TR Datasheet(PDF) 1 Page - ams AG |
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AS5043TR Datasheet(HTML) 1 Page - ams AG |
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1 / 26 page  AS5043 Programmable 360° Magnetic Angle Encoder Revision 1.4, 04-Apr-06 www.austriamicrosystems.com Page 1 of 26 1 General Description The AS5043 is a contactless magnetic angle encoder for accurate measurement up to 360°. It is a system-on-chip, combining integrated Hall elements, analog front end and digital signal processing in a single device. The AS5043 provides a digital 10-bit as well as a programmable analog output that is directly proportional to the angle of a magnet, rotating over the chip. The analog output can be configured in many ways, including user programmable angular range, adjustable output voltage range, voltage or current output, etc.. An internal voltage regulator allows operation of the AS5043 from 3.3V or 5.0V supplies. Figure 1: Typical arrangement of AS5043 and magnet 2 Benefits Complete system-on-chip - Flexible system solution provides absolute output, both digital and analog - Angle measurement with software programmable range up to 360° - High reliability due to non-contact magnetic sensing - Ideal for applications in harsh environments - Robust system, tolerant to magnet misalignment, airgap variations, temperature variations and external magnetic fields - No calibration required 3 Key Features 360° contactless high resolution angular position encoding User programmable zero position Two 10-bit absolute outputs: Serial digital interface and Versatile analog output programmable angular range up to 360° programmable ratiometric output voltage range Failure detection mode for magnet field strength and loss of power supply Serial read-out of multiple interconnected AS5043 devices using daisy chain mode Mode input for optimizing noise vs. speed Alignment mode for magnet placement guidance Wide temperature range: - 40°C to + 125°C Small package: SSOP 16 (5.3mm x 6.2mm) 4 Applications The AS5043 is ideal for applications with an angular travel range from a few degrees up to a full turn of 360°, such as - Industrial applications: - Contactless rotary position sensing - Robotics - Valve Controls - Automotive applications: - Throttle position sensors - Gas / brake pedal position sensing - Headlight position control Front panel rotary switches Replacement of potentiometers DATA SHEET AS5043 PROGRAMMABLE 360° MAGNETIC ANGLE ENCODER WITH ABSOLUTE SSI AND ANALOG OUTPUTS PRELIMINARY DATA SHEET |
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