AK7405

High Speed 12bit Rotary Angle Sensor

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Description

The AK7405 is a 12bits angle sensor which detects the angular position of a magnetic field parallel to the IC surface with high speed tracking (up to 20,000rpm). The AK7405A is a product for automotive use of AK7405 to follow high speed tracking up to 23,000 rpm.The contactless angle sensor can be made by the simple construction containing small magnet and this sensor.

Key Features

■ Monolithic integrated 360 degrees angle sensor IC containing hall element.

■ Easy to make a contactless rotation sensor with diametrically magnetized mono-pole magnet.

■ Interfaces:SPI(Absolute Angle)、ABZ phase output(1024ppr Incremental interface)

■ 12bit angle resolution

■ Less than ±1.00deg angle accuracy at 25℃

■ Maximum tracking rate

  AK7405:333rps(20,000rpm)

  AK7405A:383rps(23,000rpm)

■ Over voltage protection

■ Reverse connect protection

■ Various abnormal detection(memory data check, abnormal magnetic flux density range、and so on)

■ Setting function like zero point, rotation direction, ABZ resolution/hysteresis etc. via serial interface.

AKM Automotive Products

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Block Diagram

Block Diagram

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