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ManualsBrandsIC Haus ManualsHall Effect SensorsAngle Sensor DFN-10
10111213141516171819
iC-MA
8-BIT ANGULAR HALL SENSOR / ENCODER
Rev C1, Page 13/19
RESISTOR MODES OF OPERATION
Mode NEN CFG1 CFG2 CFG3 Port A Port B Port C Port D Res. Comments
Linear Output
R-Sensor low low open low VTRI REFH MSB NERR 8
low open open low VTRI REFH MSB GAIN 8
low high open low VSAW REFH REFL NERR 8
low high open high VSAW REFH REFL GAIN 8
Resistor Modes of Operation
In R-Sensor mode the taps of an integrated resistive
divider are selected depending on the angular position
(potentiometer replacement). The value of the abso-
lute angular position acts as a wiper and selects one
of the 256 taps on the resistor chain.
Figure 7: Potentiometer equivalents for resistor
mode operations
In modes with a sawtooth voltage VSAW at port A
the angle is converted into a linear voltage which lies
within thresholds REFH and REFL at ports B and C
(see Figure 8). The integrated resistor chain is di-
rectly available at the ports so that thresholds REFH
and REFL can also be reversed. Depending on the
selected mode either a GAIN signal or a NERR error
signal are present at port D to monitor the amplitude.
If the amplitude is at least 70 %, NERR level is high;
should the amplitude sink to below 50% of the set am-
plitude, NERR switches to active low.
Modes of operation with a triangular voltage VTRI
avoids the discontinuity at the zero angular position.
Signal MSB can be used to differentiate between the
first and second half rotation. The delta voltage is lim-
ited by thresholds REFH and GND. As in VSAW mode
both GAIN and NERR signals are available.
Figure 8: R-Sensor mode with sawtooth output volt-
age VSAW
Figure 9: R-Sensor mode with triangular output volt-
age VTRI