Description
SS495B Honeywell Hall Effect Sensor
DESCRIPTION
The SS490 Series are small, versatile, linear Hall-effect
devices which are operated by the magnetic field from a
permanent magnet or an electromagnet. The ratiometric
output voltage is set by the supply voltage and varies
in proportion to the strength of the magnetic field. The
integrated circuitry provides increased temperature stability
and sensitivity. Laser-trimmed, thin film resistors provide high
accuracy (null to ±%, sensitivity up to ±3%) and temperature
compensation. They respond to either positive or negative
Gauss, monitoring either or both magnetic poles. The quad
Hall sensing element minimizes the effects of mechanical
or thermal stress on the output. The positive temperature
coefficient of the sensitivity (+0.02%/°C typical) helps
compensate for the negative temperature coefficients of
low-cost magnets, providing a robust design over a wide
temperature range. Rail-to-rail operation (over full voltage
range) provides a more usable signal for higher accuracy.
These products have an operating temperature range of
-40°C to 150°C [-40°F to 302°F], appropriate for industrial
and automotive environments.
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