AS5045

AS5045 12-BIT PROGRAMMABLE MAGNETIC ROTARY ENCODER AS5045 12 BIT PROGRAMMABLE MAGNETIC ROTARY ENCODER DATA SHEET 1 General Description 1.2 - Key Features Contactless high resolution rotational position encoding over a full turn of 360 degrees Two digital 12bit absolute outputs: - Serial interface and - Pulse width modulated (PWM) output User programmable zero position Failure detection mode for magnet placement monitoring and loss of power supply “red-yellow-green” indicators display placement of magnet in Z-axis Serial read-out of multiple interconnected AS5045 devices using Daisy Chain mode Tolerant to magnet misalignment and airgap variations Wide temperature range: - 40°C to + 125°C Small Pb-free package: SSOP 16 (5.3mm x 6.2mm) www.DataSheet4U.com The AS5045 is a contactless magnetic rotary encoder for accurate angular measurement over a full turn of 360°. 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 may be placed above or below the IC. The absolute angle measurement provides instant indication of the magnet’s angular position with a resolution of 0.0879° = 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 AS5045 to operate at either 3.3 V or 5 V supplies - 1.3 - Applicati...