s Chopper Stabilized Amplifier Stage
s CMOS for Optimum Stability, Quality and Cost
s Dual Output
s 4.5V to 28V Operation
s Phase/Direction Detection (B)
s Pulse Doubling Output (C)
s Direction Detector
s Speed Sensor
s Shaft Encoding
s Position Sensing
Part No.
MLX90224 A
MLX90224 B
MLX90224 C
Temperature Suffix
L
L
L
Package
VA
VA
VA
Temperature Range
-40oC to 150oC Automotive
-40oC to 150oC Automotive
-40oC to 150oC Automotive
1
VDD
Voltage
Regulator
Replaced with Logic for
MLX90224 B
Chopper
Chopper
3
GND
2
OUTPUT
1
4
OUTPUT
2
The MLX90224 series are dual Hall effect latches. It
includes two Hall effect latch functions of which typi-
cal thresholds are +/- 2.0 mT. In each latch, the mag-
netic flux detection is performed by a switched silicon
Hall plate. The BOP and BRP are temperature-compen-
sated and give a sensitivity temperature coefficient of
500 ppm/oC to compensate popular magnets.
The MLX90224 A, C output transistor will be “latched
on” (BOP) in the presence of a sufficiently strong South
pole magnetic field facing the marked side of the pack-
age. Similarly, the output will be “latched off” (BRP) in
the presence of a North field. Spacing on the plates is
1.85mm.
The MLX90224 B series are designed for direction
detection with a high speed chopper which provides
15µs delay.
Note: Static sensitive device, please observe ESD precautions.
MLX90224 Dual Hall Effect Latch
Rev 1.2
8/May/99
Page 1