The 60 Series sensors are expected to be used to sense angular
displacement in a wide variety of automotive applications,
including the accelerator pedal, brake pedal, chassis ride
height monitor, HVAC valve position sensor, and the steering
The devices are also ideal for use in transmission (2WD/4WD
switch, gearshift actuator) and throttle (EGR, tumble flap,
throttle position, turbo-charger) applications.
Unlike competitive magnetic sensors, the 60 Series sensors from
ams require very few external components and can be used with a
low-cost ferrite magnet. They also require no external
shielding, since they are immune to stray magnetic fields thanks
to proprietary differential-input technology developed by ams.
The devices are tolerant of magnet misalignment and of variances
in the air gap from one unit to another. The 60 Series devices,
therefore, offer vehicle manufacturers low bill-of-materials and
The precise 60 Series sensors measure angular displacement at
16,384 points per revolution. Integral non-linearity is 1.4°
(maximum) over a complete revolution and across the operating
temperature range (-40°C to 150°C).
All four devices offer a small propagation delay – the delay
between the input from the sense magnet and the angle
calculation output leaving the chip – of 300µs. This means
they are able to provide accurate position measurements even of
rotors operating at high speed.
Price & Availability:
The AS5161 and AS5162 magnetic position sensors are available in
a small SOIC8 package. The stacked-dice (redundant) AS5261 and
AS5262 are in an MLF16 package. The devices are available for
sampling now. The AS5161 and AS5162 are priced at €2.70 for
1,000 pieces, and the AS5261 and AS5262 at €5.12.
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