2,450.00 2,360.00

Make: AMS
Manufacturer P/N: AS5040-ASST
Supply Voltage: 4.5 – 5.5V
Supply Current: 16-21mA
Encoder: Magnetic
Output: PWM
Pulses per Revolution: 512
Schmitt trigger hysteresis: 1V
High Level Input Voltage (Min): 0.7* Vdd5V
Low Level Input Voltage (Max): 0.3* Vdd5V
Operating Temperature: -40°C – 125°C
Mounting Type: SMD
Device Package: SSOP-16


The AS5040 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 0.35° = 1024 positions per revolution. This digital data is available as a serial bit stream and as a PWM signal.



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