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AS5145H

ams
Part Number AS5145H
Manufacturer ams
Description 12-Bit Programmable Magnetic Rotary Encoder
Published Feb 18, 2015
Detailed Description General Description Figure 1: Added Value of Using AS5145 Benefits • Highest reliability and durability • Simple program...
Datasheet PDF File AS5145H PDF File

AS5145H
AS5145H


Overview
General Description Figure 1: Added Value of Using AS5145 Benefits • Highest reliability and durability • Simple programming • Multiple interfaces • Ideal for motor applications • Failure diagnostics • Easy setup AS5145H/AS5145A/ AS5145B 12-Bit Programmable Magnetic Rotary Encoder The AS5145 is a contactless magnetic rotary encoder for accurate angular measurement over a full turn of 360 degrees.
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 can 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.
0879º = 4096 positions per revolution.
This digital data is available as a serial bit stream and as a PWM signal.
An internal voltage regulator allows the AS5145 to operate at either 3.
3V or 5V supplies.
Ordering Information and Content Guide appear at end of datasheet.
Key Benefits & Features The benefits and features of AS5145H/AS5145A/AS5145B, 12-Bit Programmable Magnetic Rotary Encoder are listed below: Features • Contactless high resolution rotational position encoding over a full turn of 360 degrees • Simple user-programmable zero position and settings • Serial communication interface (SSI) • 10-bit pulse width modulated (PWM) output • Quadrature A/B and Index output signal • Rational speeds up to 30,000 rpm • Failure detection mode for magnet placement monitoring and loss of power supply • Serial read-out of multiple interconnected AS5145 devices using Daisy Chain mode ams Datasheet [v2-02] 2020-Nov-25 Page 1 Document Feedback AS5145H/AS5145A/AS5145B− GeneralDescription Benefits Features • Great flexibility at a huge application area • Detects movement of magnet in Z-axis (Red-Yellow-Green indicator) • Fully automotive qualified • AEC-Q100, grade 0 • Small form factor ...



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