AMS  AS5040-ASSU  AS5040, 10-Bit, Programmable Magnetic Rotary Encoder

Technical Data Sheet (658.05KB) EN See all Technical Docs

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Product Overview

The AS5040-ASSU is a 10bit programmable magnetic rotary encoder in 16 pin SSOP package. This contactless magnetic rotary encoder is used for accurate angular measurement over a full turn of 360°. It is a system-on-chip device combining integrated hall elements, analogue front end and digital signal processing in a single device. To measure angle only simple two pole magnet rotating over centre of chip is required. The magnet may be placed above or below IC. The absolute angle measurement provides instant indication of magnet's angular position with resolution of 0.35° = 1024 positions per revolution. This digital data is available as a serial bit stream and as a PWM signal. A user programmable incremental output is available making the chip suitable for replacement of various optical encoders. An internal voltage regulator allows AS5040 to operate at either 3.3V or 5V supplies.
  • Serial interface and pulse width modulated outputs
  • User programmable zero/index position
  • Automotive grade AEC-Q100 (grade 1) qualified
  • Multiple interfaces (SSI, ABI, UVW PWM)
  • Immune to external magnetic stray fields
  • Highest reliability and durability in harsh environments
  • Great flexibility during assembly
  • Lower material cost (no magnetic shielding needed)
  • Rotational speed up to 30000rpm
  • Wide operating temperature range from -40°C to 125°C

Product Information

IC Function:
10bit Programmable Magnetic Rotary Encoder
Supply Voltage Min:
Supply Voltage Max:
IC Package Type:
No. of Pins:
Operating Temperature Min:
Operating Temperature Max:
Product Range:
Automotive Qualification Standard:
MSL 3 - 168 hours
No SVHC (20-Jun-2016)

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  • Industrial;
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  • Portable Devices

Legislation and Environmental

Moisture Sensitivity Level:
MSL 3 - 168 hours
Country of Origin:

Country in which last significant manufacturing process was carried out

RoHS Compliant:
Tariff No:
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