Characteristics Definitions

Quiescent Voltage Output: With no magnetic field present the device is in the quiescent state

≈V

the operating voltage and temperature range. The change in quiescent voltage output over

temperature gives the device’s equivalent accuracy and is specified in Gauss by the calculation.

Sensitivity: A magnetic south pole at and perpendicular to the device’s symbolized package

face will increase the voltage output above the quiescent value. Conversely a magnetic north pole

will decrease the voltage output below the quiescent value. This change in voltage output with

applied magnetic field is sensitivity and is specified in mV/G by the calculation.

The change in sensitivity over temperature is specified in percent by the calculation

Ratiometry: The quiescent voltage output and sensitivity of these ratiometric linear Hall effect

devices are proportional to the supply voltage. The change in quiescent voltage output with

supply voltage is specified in percent by the calculation.

The change in sensitivity with supply voltage is also specified in percent by the calculation

Linearity and Symmetry: The ability of the voltage output to vary in constant proportion to the

applied magnetic field is linearity and is specified in percent by the calculation

The output symmetry is also specified in percent by the calculation

Type OHS3150U, OHS3151U

Optek Technology, Inc.

1215 W. Crosby Road

Carrollton, Texas 75006

(972)323-2200

Fax (972)323-2396

o

C)

o

C)

Sens =

1000

o

o

C)

+ Lin

=

X 100%

- Lin =

X 100%

Sym =

X 100%

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