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10-Bit Magnetic Rotary Encoder

By Design World Staff | March 26, 2007

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Unterpremstaetten, Austria (March 2007) – austriamicrosystems introduces its AS5140H 10-bit rotary encoder. The encoder IC is fully qualified to AEC-Q100 and designed for applications in an ambient temperature range to 150° C.

With a resolution of 0.35 degrees, the AS5140H can recognize 1,024 positions within one 360° turn, accessible with either a serial or PWM (Pulse-Width Modulation) interface. Additionally, three different programmable incremental outputs are available to the user; one delivers a three-phase commutation signal for brushless DC motors.              

User-specific zero programming, a diagnostic utility for correct positioning of the magnet, or the ability to recognize interruptions to the power supply, are already standard in austriamicrosystems' encoder product family. A daisy chain mode has been added in the AS5140H, so that position data can be read serially over a two wire bus.

An integrated voltage regulator allows
for operation at either 3.3 or 5V. No additional temperature
compensation and calibration of the device is required. The AS5140H is
available in a lead-free SSOP-16 package. Samples are available
immediately.


pr_20070322_block.jpg

“With the first high temperature-qualified high accuracy magnetic rotary encoder, we present another significant innovation to the market. Qualified to function in an ambient temperature of up to 150° C, the AS5140H is ideally suitable for the harsh conditions in automotive applications”, said Bernhard Czar, Automotive Marketing Director at austriamicrosystems. “The AS5140H is a premium device within austriamicrosystems' industry-leading rotary encoder family which we will continue to expand with additional products for difficult and rugged environments.”

More product specific information can be downloaded from the austriamicrosystems website at:  www.austriamicrosystems.com/03products/25_rot_enc_automotive_applications.htm

About austriamicrosystems
austriamicrosystems is a leading designer and manufacturer of high performance analog ICs, combining more than 25 years of analog design capabilities and system know-how with its own state-of-the-art manufacturing and test facilities. austriamicrosystems leverages its expertise in low power and high accuracy to provide industry-leading customized and standard analog products. Operating worldwide with more than 1,000 employees, austriamicrosystems focuses on the areas of power management, sensors & sensor interfaces, portable audio and car access in its markets Communications, Industry & Medical and Automotive, complemented by its Full Service Foundry activities. For more information, visit: www.austriamicrosystems.com.

:: Design World ::


Filed Under: Automotive, Factory automation, Encoders (rotary) + resolvers, Motion control • motor controls

 

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