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AKM - Zero Latency Angle Sensor IC

Numéro de référence AK7451
Description Zero Latency Angle Sensor IC
Fabricant AKM 
Logo AKM 





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AK7451 fiche technique
[AK7451]
AK7451
Zero Latency Angle Sensor IC
1. General Description
The AK7451 is a magnetic rotational angle sensor IC of Si monolithic with a built-in Hall element, and
easily achieve a non-contact rotation angle sensor in combination with diametrically magnetized two
pole magnet.
By detecting the magnetic field parallel vector to the IC package surface, the AK7451 outputs the
absolute angular position of the magnet, and the relative angular position.
By transverse magnetic field detection method using a magnetic flux concentrator, the AK7451 has
excellent axial misalignment immunity.
AK7451 is the Zero Latency rotation angle sensor to follow up to 20,000rpm with the architecture of the
tracking servo system, it is suitable to various motor drive applications and an encoder applications.
2. Features
Monolithic integrated 360 degrees angle sensor IC containing Hall element.
Easy to make a contactless rotation sensor with diametrically magnetized two pole magnet.
Interfaces : SPI(absolute angle), ABZ phase output (incremental Interface), UVW phase output
12bit angle resolution
Less than ±0.6 deg. angle accuracy at 25 ºC
Maximum tracking speed : 333 rps (20,000 rpm)
Angle output delay time: 1.8µs
Operating ambient temperature: -40 to 125ºC
Various abnormal detection; abnormal magnetic flux density range etc.
Various setting functions; angle zero point, rotation direction, ABZ resolution/hysteresis etc.
016006637-E-00
-1-
2016/05

PagesPages 30
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