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.
Mfr ams-OSRAM USA INC.
Package Tape & Reel
Product Status Active
DigiKey Programmable Not Verified
Encoder Type Magnetic
Output Type Quadrature (Incremental)
Pulses per Revolution 4096
Voltage - Supply 3V ~ 3.6V, 4.5V ~ 5.5V
Actuator Type External Magnet, Not Included
Detent No
Built in Switch No
Mounting Type Surface Mount
Orientation -
Termination Style SMD (SMT) Tab
Rotational Life (Cycles Min) -
Grade Automotive
Qualification AEC-Q100
){kind=link}
){kind=link}