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AS5046 Dataheets PDF



Part Number AS5046
Manufacturers austriamicrosystems AG
Logo austriamicrosystems AG
Description MAGNETIC ANGLE ENCODER
Datasheet AS5046 DatasheetAS5046 Datasheet (PDF)

AS5046 Programmable 360° Magnetic Angle Encoder AS5046 PROGRAMMABLE 12-bit 360° MAGNETIC ANGLE ENCODER WITH ABSOLUTE 2-WIRE SERIAL AND ANALOG INTERFACES PRELIMINARY FACT SHEET DATA SHEET General Description The AS5046 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 AS5046 provides a digital serial 12-bit as well as a programmable 10-bi.

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AS5046 Programmable 360° Magnetic Angle Encoder AS5046 PROGRAMMABLE 12-bit 360° MAGNETIC ANGLE ENCODER WITH ABSOLUTE 2-WIRE SERIAL AND ANALOG INTERFACES PRELIMINARY FACT SHEET DATA SHEET General Description The AS5046 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 AS5046 provides a digital serial 12-bit as well as a programmable 10-bit ratiometric analog output that is directly proportional to the angle of a magnet, rotating over the chip. In addition, the serial interface enables a user configurable arrangement of the Hall array and allows access to each individual Sensor of the Hall Array. The AS5046 also provides high resolution information of the magnetic field strength, respectively the vertical distance of the magnet, thus adding excellent state-ofhealth information of the overall system. An internal voltage regulator allows operation of the AS5046 from 3.3V or 5.0V supplies. Key Features • • • • 360° contactless high resolution angular position encoding User programmable zero position 12-bit 2-wire serial interface Versatile analog output programmable angular range up to 360° programmable ratiometric output voltage range High resolution magnet distance indication 256 steps within recommended range (~0.5 to 1.8mm) 256 steps over extended range (~0 to 5mm) 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) www.DataSheet4U.com • • • • • Applications The AS5046 is ideal for applications that require high resolution, a minimum of wires between controller and sensor and where the vertical distance of the magnet is of importance: • • • • Remote sensors Rotate-and-push manual input devices Joysticks Applications with extended safety requirements regarding magnet distance MagRNGn Typical arrangement of AS5046 and magnet Hall Array & Frontend Amplifier Hall Sensor switch matrix 14-bit ADC 14-bit ADC Sin Ang 12 8 Mode Benefits • • • • • • Complete system-on-chip High reliability due to non-contact sensing Bi-directional 2-wire interface Programmable ratiometric analog output Ideal for application s in harsh environments Robust system, tolerant to magnet misalignment, airgap variations, temperature variations and external magnetic fields DSP Cos Mag CSn AGC 12 12 8 Absolute Interface (I²C) 8 SDA SCL 12 OTP Register Range preselect 10 DACref FB Vout AS5046 Programming Parameters 10bit DAC + DACout Prog_DI AS5046 block diagram Revision 1.0 www.austriamicrosystems.com Page 1 of 2 AS5046 Programmable 360° Magnetic Angle Encoder Contact Headquarters austriamicrosystems AG A 8141 Schloss Premstätten, Austria Phone: +43 3136 500 0 Fax: +43 3136 525 01 www.austriamicrosystems.com Copyright www.DataSheet4U.com Devices sold by austriamicrosystems are covered by the warranty and patent indemnification provisions appearing in its Term of Sale. austriamicrosystems makes no warranty, express, statutory, implied, or by description regarding the information set forth herein or regarding the freedom of the described devices from patent infringement. austriamicrosystems reserves the right to change specifications and prices at any time and without notice. Therefore, prior to designing this product into a system, it is necessary to check with austriamicrosystems for current information. This product is intended for use in normal commercial applications. Copyright © 2007 austriamicrosystems. Trademarks registered ®. All rights reserved. The material herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. To the best of its knowledge, austriamicrosystems asserts that the information contained in this publication is accurate and correct. However, austriamicrosystems shall not be liable to recipient or any third party for any damages, including but not limited to personal injury, property damage, loss of profits, loss of use, interruption of business or indirect, special, incidental or consequential damages, of any kind, in connection with or arising out of the furnishing, performance or use of the technical data herein. No obligation or liability to recipient or any third party shall arise or flow out of austriamicrosystems rendering of technical or other services. Revision 1.0 www.austriamicrosystems.com Page 2 of 2 .


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